It is better to light one small candle than to curse the darkness.

Do not let it be your aim to be something, but to be someone.

You have to dream before your dreams can come true.

Never trust the advice of a man in difficulties.

Defeat is not defeat unless accepted as a reality-in your own mind.

Nothing is impossible, the word itself says 'I am possible'

The power for creating a better future is contained in the present moment: You create a good future by creating a good present.

What does not destroy me, makes me strong.

I'm sorry I wrote you such a long letter; I didn't have time to write a short one.

We cannot do everything at once, but we can do something at once.

Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present.

If I find 10,000 ways something won't work, I haven't failed. I am not discouraged, because every wrong attempt discarded is another step forward.

They alone live, who live for others.

Great work requires great and persistent effort for a long time. … Character has to be established through a thousand stumbles.

Listen to many, speak to a few.

People who say it cannot be done should not interrupt those who are doing it.

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.

Others have seen what is and asked why. I have seen what could be and asked why not.

Repetition of the same thought or physical action develops into a habit which, repeated frequently enough, becomes an automatic reflex.

I trust that everything happens for a reason, even if we are not wise enough to see it.

The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.