Never lend your car to someone you've given birth to.
Will and intellect are one and the same thing.
Certainty? In this world nothing is certain but death and taxes.
There's real poetry in the real world. Science is the poetry of reality
Too often we enjoy the comfort of opinion without the discomfort of thought.
A scientist in his laboratory is not a mere technician: he is also a child confronting natural phenomena that impress him as though they were fairy tales.?
Purity of heart is to will one thing.
What's with you men? Would hair stop growing on your chest if you asked directions somewhere?
The speed of the leader is the speed of the gang.
Being an intellectual creates a lot of questions and no answers.
Everything is vague to a degree you do not realize till you have tried to make it precise.
The more you like yourself, the less you are like anyone else, which makes you unique.
No one is useless in this world who lightens the burdens of another.
All animals are equal, but some animals are more equal than others.
For a moment, nothing happened. Then, after a second or so, nothing continued to happen.
As I grow older, I pay less attention to what men say. I just watch what they do.
Ladies who play with fire must remember that smoke gets in their eyes.
An intellectual is a man who doesn't know how to park a bike.
We must not always talk in the market-place of what happens to us in the forest.
I just want to retire before I go senile because if I don't retire before I go senile, then I'll do more damage than good at that point.
A designer is an emerging synthesis of artist, inventor, mechanic, objective economist and evolutionary strategist.