Yesterday is but today's memory and tomorrow is today's dream.

Those who can not change their minds can not change anything.

There are things known and there are things unknown, and in between are the doors of perception.

Destiny is not a passive agent that lies in the lap of the Gods, but is an active instrument that lies in your own hands to shape as you will.

A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.

Honesty is the first chapter in the book of wisdom.

Tell the truth. Sing with passion. Work with laughter. Love with heart. 'Cause that's all that matters in the end.

I dream. Sometimes I think that's the only right thing to do.

So many people have this idea: I want to achieve something great or be somebody great. And they neglect the step that leads to greatness. They don't honor this step at this moment because they have this idea of some future moment where they are going to be great.

Life's battles don't always go to the stronger or faster man. But sooner or later, the man who wins is the man who thinks he can.

Every act of creation is first an act of destruction.

A house is not a home unless it contains food and fire for the mind as well as the body.

If you don't know where you're from, you'll have a hard time saying where you're going.

Don't expect to build up the weak by pulling down the strong.

One just needs a little alertness to see and find out: Life is really a great cosmic laughter.

It takes a lot of courage to show your dreams to someone else.

Judge not unless you judge yourself.

If you do what you've always done, you'll get what you've always gotten.

You have heard that it was said, 'Eye for eye, and tooth for tooth.' But I tell you, do not resist an evil person. If someone strikes you on the right cheek, turn to him the other also.

Reality leaves a lot to the imagination.

Beauty is not in the face; beauty is a light in the heart.