A thing worth having is a thing worth cheating for.

Freedom from the desire for an answer is essential to the understanding of a problem.

He who is not courageous enough to take risks will accomplish nothing in life

You'll never do a whole lot unless you're brave enough to try.

Don't get set into one form, adapt it and build your own, and let it grow, be like water.

Work gives you meaning and purpose and life is empty without it.

You can't live a perfect day until you do something for someone who will never be able to repay you.

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

Learn from yesterday, live for today, hope for tomorrow.

We need never be ashamed of our tears.

Know thyself.

One man with courage is a majority.

Only in the darkness, you are able to see the stars.

A lot of legends, a lot of people, have come before me. But this is my time.

If my mind can conceive it, and my heart can believe it - then I can achieve it.

When obstacles arise, you change your direction to reach your goal; you do not change your decision to get there.

Strength of mind rests in sobriety; for this keeps your reason unclouded by passion.

Differences are not intended to separate, to alienate. We are different precisely in order to realize our need of one another.

The greatest accomplishment is not in never falling, but in rising again after you fall.

The duty of youth is to challenge corruption.

You see things; you say, 'Why?' But I dream things that never were; and I say 'Why not?