There are two primary choices in life: to accept conditions as they exist, or accept the responsibility for changing them.

Logic will get you from A to Z, imagination will get you everywhere.

There are two things a person should never be angry at, what they can help, and what they cannot.

View life as a continuous learning experience.

I have no special talents. I am only passionately curious.

Our prime purpose in this life is to help others. And if you can't help them, at least don't hurt them.

Life is a beautiful magnificent thing, even to a jellyfish.

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

Only a life lived for others is a life worthwhile.