fix(quotes): correct sources and text in some English quotes (@byseif21) (monkeytypegame#6418)

### Description

Updates the English quotes file by correcting some quote sources/text to
ensure accuracy.

### Checks

- [ ] Adding quotes?
- [ ] Make sure to include translations for the quotes in the
description (or another comment) so we can verify their content.
- [ ] Adding a language or a theme?
- [ ] If is a language, did you edit `_list.json`, `_groups.json` and
add `languages.json`?
  - [ ] If is a theme, did you add the theme.css?
- Also please add a screenshot of the theme, it would be extra awesome
if you do so!
- [ ] Check if any open issues are related to this PR; if so, be sure to
tag them below.
- [x] Make sure the PR title follows the Conventional Commits standard.
(https://www.conventionalcommits.org for more info)
- [x] Make sure to include your GitHub username prefixed with @ inside
parentheses at the end of the PR title.

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Author: byseif21

frontend/static/quotes/english.json

@@ -45,7 +45,7 @@
     },
     {
       "text": "If you don't know what you want, how are you going to know when you get it?",
-      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and Be More Productive",
+      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and be More Productive",
       "id": 7,
       "length": 75
     },
@@ -57,7 +57,7 @@
     },
     {
       "text": "Your memory is the glue that binds your life together.",
-      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and Be More Productive",
+      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and be More Productive",
       "id": 9,
       "length": 54
     },
@@ -75,7 +75,7 @@
     },
     {
       "text": "The person that has the most to do with what happens to you is you!",
-      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and Be More Productive",
+      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and be More Productive",
       "id": 13,
       "length": 67
     },
@@ -140,8 +140,8 @@
       "length": 65
     },
     {
-      "text": "I have waited lifetimes to find you. Now that you're here I can remind you of the things I've been dreaming of times two.",
-      "source": "Stay Ready",
+      "text": "I have waited lifetimes to find you. Now that you're here I can remind you of the things you've been dreaming, times two.",
+      "source": "Stay Ready (What A Life)",
       "id": 24,
       "length": 121
     },
@@ -177,7 +177,7 @@
     },
     {
       "text": "I am the wisest man alive, for I know one thing, and that is that I know nothing.",
-      "source": "The Republic",
+      "source": "Socrates via Plato’s Apology.",
       "id": 30,
       "length": 81
     },
@@ -201,13 +201,13 @@
     },
     {
       "text": "Now is the time for resting. Some things are ill to hear when the world's in shadow.",
-      "source": "The Lord of The Rings",
+      "source": "The Lord of the Rings",
       "id": 35,
       "length": 84
     },
     {
       "text": "Courage is resistance to fear, mastery of fear - not absence of fear.",
-      "source": "Strangers",
+      "source": "Mark Twain",
       "id": 36,
       "length": 69
     },
@@ -303,7 +303,7 @@
     },
     {
       "text": "Thinking you know everything there is to know about something will only hold you back, because it prevents you from learning anything new.",
-      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and Be More Productive",
+      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and be More Productive",
       "id": 52,
       "length": 138
     },
@@ -362,10 +362,10 @@
       "length": 93
     },
     {
-      "text": "This is not the end, this is not even the beginning of the end, this is just perhaps the end of the beginning.",
-      "source": "End of the beginning",
+      "text": "Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.",
+      "source": "Winston Churchill",
       "id": 63,
-      "length": 110
+      "length": 111
     },
     {
       "text": "You are the most important thing to me now. The most important thing to me ever.",
@@ -381,7 +381,7 @@
     },
     {
       "text": "If you don't like how things are, change it! You're not a tree.",
-      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and Be More Productive",
+      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and be More Productive",
       "id": 66,
       "length": 63
     },
@@ -423,7 +423,7 @@
     },
     {
       "text": "Sometimes life is like this dark tunnel. You can't always see the light at the end of the tunnel, but if you just keep moving, you will come to a better place.",
-      "source": "Avatar: The last Airbender",
+      "source": "Avatar: The Last Airbender",
       "id": 73,
       "length": 159
     },
@@ -507,7 +507,7 @@
     },
     {
       "text": "They're surrounding the city to make a fortress so that no one can see what they're up to inside. Our only chance is the element of surprise.",
-      "source": "Transformers: Dark Side of the Moon",
+      "source": "Transformers: Dark of the Moon",
       "id": 91,
       "length": 141
     },
@@ -681,7 +681,7 @@
     },
     {
       "text": "The great breakthrough in your life comes when you realize that you can learn anything you need to learn to accomplish any goal that you set for yourself.",
-      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and Be More Productive",
+      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and be More Productive",
       "id": 122,
       "length": 154
     },
@@ -722,10 +722,10 @@
       "length": 192
     },
     {
-      "text": "Some people pass through your life and you never think about them again. Some you think about and wonder what ever happened to them. Some you wonder if they ever wonder what happened to you. And then there are some you wish you never had to think about again. But you do.",
+      "text": "Some people pass through your life and you never think about them again. Some you think about and wonder whatever happened to them. Some you wonder if they ever wonder what happened to you. And then there are some you wish you never had to think about again. But you do.",
       "source": "The Wonder Years",
       "id": 129,
-      "length": 271
+      "length": 270
     },
     {
       "text": "I don't want my thoughts to die with me, I want to have done something. I'm not interested in power, or piles of money. I want to leave something behind. I want to make a positive contribution - know that my life has meaning.",
@@ -1005,7 +1005,7 @@
     },
     {
       "text": "Take time to really think about your excuses and write them down. These are the same excuses that you always use to stop yourself from learning something new.",
-      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and Be More Productive",
+      "source": "Unlimited Memory: How to Use Advanced Learning Strategies to Learn Faster, Remember More and be More Productive",
       "id": 177,
       "length": 158
     },
@@ -37746,7 +37746,7 @@
     },
     {
       "text": "All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.",
-      "source": "Arthur Schopenhaur",
+      "source": "Arthur Schopenhauer",
       "length": 140,
       "id": 6960
     },