Here is a collection of some of my favorite quotes.

The important thing is not to stop questioning. Curiosity has its own reason for existence. -- Albert Einstein

Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time. -- Thomas Edison

You never fail until you stop trying. -- Albert Einstein

No great discovery was ever made without a bold guess. -- Sir Isaac Newton

It is better to know how to learn than to know. -- Dr. Seuss

It is not that I am so smart. But I stay with the questions much longer. -- Albert Einstein

When you have eliminated the impossible, whatever remains, however improbable, must be the truth. -- Sherlock Holmes (Sir Arthur Conan Doyle)

Good teachers are the reason why ordinary students dream to do extraordinary things. -- Unknown

You can get help from teachers, but you are going to have to learn a lot by yourself, sitting alone in a room. -- Dr. Seuss

I'm a success today because I had a friend who believed in me and I didn't have the heart to let him down. -- Abraham Lincoln

Once we accept our limits, we go beyond them. -- Albert Einstein

Remember to look up at the stars and not down at your feet. Try to make sense of what you see and wonder about what makes the universe exist. Be curious. And however difficult life may seem, there is always something you can do and succeed at. It matters that you don't just give up. -- Stephen Hawking

Nothing is really work unless you would rather be doing something else. -- J.M. Barrie

There are geniuses without studies and idiots with degrees. True wisdom does not give you a title but what you do with what you have learned throughout your life and the way you treat others. -- Joseph Kapone

When I went to school, they asked me what I wanted to be when I grew up. I wrote down 'happy.' They told me I didn't understand the assignment, and I told them they didn't understand life. -- John Lennon

Of all the paths you take in life, make sure a few of them are dirt. -- John Muir

When the spirits are low, when the day appears dark, when work becomes monotonous, when hope hardly seems worth having, just mount a bicycle and go out for a spin down the road, without thought on anything but the ride you are taking. -- Sir Arthur Conan Doyle

Mathematics is a part of physics. Physics is an experimental science, a part of natural science. Mathematics is the part of physics where experiments are cheap. -- V. I. Arnold

For physicists everything should be obvious. -- attributed to I. M. Gelfand by Yakov Sinai

Algebra is the offer made by the devil to the mathematician. The devil says: 'I will give you this powerful machine, it will answer any question you like. All you need to do is give me your soul: give up geometry and you will have this marvellous machine. -- Sir Michael Atiyah

Start at the beginning and read as far as you can get until you're lost. Then start again at the beginning and keep working through until you can understand the whole book. -- Richard Feynman

Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did do. -- Mark Twain

Waiting until next year just makes you a year older when you finally do those things you've been putting off. Don't reach the final years regretting the things you didn't do. -- Ross Woody

Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great. -- Mark Twain

You can never get a cup of tea large enough or a book long enough to suit me. -- C.S. Lewis

Sometimes the questions are complicated and the answers are simple. -- Dr. Seuss

There is no authority who decides what is a good idea. -- Richard Feynman

When I have a little money, I buy books; and if I have any left, I buy food and clothes. -- Desiderius Erasmus Roterodamus

The best way to cheer yourself up is to try to cheer somebody else up. -- Mark Twain

If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do you have to keep moving forward. -- Martin Luther King Jr.

My best friend is a person who will give me a book I have not yet read. -- Abraham Lincoln

Newer is not necessarily better. -- Peyton Jacob, III

Fill your house with stacks of books, in all the crannies and all the nooks. -- Dr. Seuss

Life is like riding a bicycle. To keep your balance you must keep moving. -- Albert Einstein

Nothing works. -- Catweazle (Geoffrey Bayldon)