If you can't you must, and if you must you can.

We do not consider our principles as dogmas contained in books said to come from heaven. We derive our inspiration, not from heaven, or the unseen world, but directly from life.

You have to dream before your dreams can come true.

Keep your face always toward the sunshine - and shadows will fall behind you.

Never stand begging for what one has the power to earn.

They say Rome wasn't built in a day, but I wasn't on that particular job.

Gratitude is an illness suffered by dogs.

However many holy words you read, however many you speak, what good will they do you if you do not act on upon them?

Waste no more time arguing about what a good man should be. Be one.

Believe you can and you're halfway there.

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

Duty does not require any person to submit to the destruction of his personal ambitions and the right to live his own life in his own way.

Lack of direction, not lack of time, is the problem. We all have twenty-four hour days.

If you are humble nothing will touch you, neither praise nor disgrace, because you know what you are.

Don't fear failure. Not failure, but low aim, is the crime. In great attempts it is glorious even to fail.

It's kind of fun to do the impossible.

Nobody can hurt me without my permission.

I long to accomplish a great and noble task; but it is my chief duty to accomplish small tasks as if they were great and noble

We cannot solve our problems with the same thinking we used when we created them.

I can never stand still. I must explore and experiment. I am never satisfied with my work. I resent the limitations of my own imagination.

If you want creative workers, give them enough time to play.