Matter is real to my senses, but they aren't trustworthy. If Galileo or Copernicus had accepted what they saw, they would never have discovered the movement of the earth and planets.

Gravitation is not responsible for people falling in love.

Life is like riding a bicycle. To keep your balance, you must keep moving.

Life isn't worth living, unless it is lived for someone else.

Imagination is everything. It is the preview of life's coming attractions.

Wisdom is not a product of schooling but of the lifelong attempt to acquire it.

Strive not to be a success, but rather to be of value.

The true sign of intelligence is not knowledge but imagination.

God is clever but not dishonest.

Try not to become a man of success but rather a man of value.

Weakness of attitude becomes weakness of character.

I am selfish. I am brave.

Young people are this country [America], and we need to speak out.

The principle was right there - you couldn't miss it. The more we did for our customers, the more they did for us.

Remain open to as much input as possible.

The only way to effectively secure the common good is for the government to remain small.

True strength lies in action. Let the weak react to me.

She [my wife] has had a Caesarean, so she can't bend over. It's a good excuse [for not changing nappies], I suppose.

Hussein has chosen to spend his money on building weapons of mass destruction and palaces for his cronies.

In the world of bad movies, 'Death to Smoochy' is a towering achievement.

There is a learning quality in all of our shows.