The man with no imagination has no wings.

We are all motivated by a keen desire for praise, and the better a man is, the more he is inspired by glory.

People who are unable to motivate themselves must be content with mediocrity, no matter how impressive their other talents.

I would prefer even to fail with honor than win by cheating.

You have brains in your head. You have feet in your shoes. You can steer yourself any direction you choose.

Gratitude is an illness suffered by dogs.

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

If you can't feed a hundred people, then just feed one.

Whatever lifts the corners of your mouth, trust that.

Imperfection is beauty, madness is genius and it's better to be absolutely ridiculous than absolutely boring.

It may have been in pieces, but I gave you the best of me.

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.

If you fell down yesterday, stand up today.

It is greed to do all the talking but not to want to listen at all.

I'm not telling you it's going to be easy - I'm telling you it's going to be worth it.

The secret of genius is to carry the spirit of the child into old age, which means never losing your enthusiasm.

They alone live, who live for others.

Out of intense complexities intense simplicities emerge.

For every man there exists a bait which he cannot resist swallowing.

One man with courage is a majority.

We have been called to heal wounds, to unite what has fallen apart, and to bring home those who have lost their way.