Well done is better than well said.
Leap, and the net will appear.
Be gentle to all and stern with yourself.
Quality is not an act, it is a habit.
If you're going through hell, keep going.
The most effective way to do it, is to do it.
Expect problems and eat them for breakfast.
Do not weep do not wax indignant. Understand.
To be a good loser is to learn how to win.
To know oneself, one should assert oneself.
The scientist is motivated primarily by curiosity and a desire for truth.
Science, almost from its beginnings, has been truly international in character. National prejudices disappear completely in the scientist's search for truth.