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

Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.

A clever person solves a problem. A wise person avoids it.

Without music, life would be a mistake.

Insanity is doing the same thing over and over again and expecting different results.

You will get all you want in life, if you help enough other people get what they want.

Life’s most persistent and urgent question is, What are you doing for others?

The best way to find yourself is to lose yourself in the service of others.

Life is and will ever remain an equation incapable of solution, but it contains certain known factors.