You'll never get ahead of anyone as long as you try to get even with him.
I invented my life by taking for granted that everything I did not like would have an opposite, which I would like.
You can chain me, you can torture me, you can even destroy this body, but you will never imprison my mind.
Truth can be stated in a thousand different ways, yet each one can be true.
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.
If you want a thing done well, do it yourself.
A man is but the product of his thoughts. What he thinks, he becomes.
Get up, stand up, Stand up for your rights. Get up, stand up, Don't give up the fight.
Never tell all you know-not even to the person you know best.
When you're at the end of your rope, tie a knot and hold on
Fantasy is an exercise bicycle for the mind. It might not take you anywhere, but it tones up the muscles that can. Of course, I could be wrong.
The key to immortality is first living a life worth remembering.
Freedom and independence form my character.
Freedom from the desire for an answer is essential to the understanding of a problem.
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.
Don't find fault, find a remedy; anybody can complain
I not only use all the brains that I have, but all that I can borrow.
Some people don't like change, but you need to embrace change if the alternative is disaster.
The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.
It's the little details that are vital. Little things make big things happen.
Always do what is right. It will gratify half of mankind and astound the other.
