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.

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

My dear friend, clear your mind of cant.

You'll never get ahead of anyone as long as you try to get even with him.

Whatever lifts the corners of your mouth, trust that.

Our greatest glory is not in never falling but in rising every time we fall.

I may not have gone where I intended to go, but I think I have ended up where I needed to be.

Nobody can hurt me without my permission.

Do what you can, with what you have, where you are.

Without ambition one starts nothing. Without work one finishes nothing. The prize will not be sent to you. You have to win it.

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

They deem me mad because I will not sell my days for gold; and I deem them mad because they think my days have a price.

When I give, I give myself.

The question isn't who is going to let me; it's who is going to stop me.

When all is said and done, more is said than done.

Yesterday is gone. Tomorrow has not yet come. We have only today. Let us begin.

If you think in terms of a year, plant a seed; if in terms of ten years, plant trees; if in terms of 100 years, teach the people.

Some people don't like change, but you need to embrace change if the alternative is disaster.

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

A man can't soar too high, when he flies with his own wings.

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