Quality is not an act, it is a habit.
Expect problems and eat them for breakfast.
Who seeks shall find.
You never know what motivates you.
Leap, and the net will appear.
By failing to prepare, you are preparing to fail.
Well done is better than well said.
Wherever you are - be all there.
If you're going through hell, keep going.
Only the educated are free.
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.