I can, therefore I am.
If you think you can do it, you can.
Wherever you are - be all there.
Quality is not an act, it is a habit.
If you can dream it, you can do it.
Leap, and the net will appear.
Do not weep do not wax indignant. Understand.
Expect problems and eat them for breakfast.
Only the educated are free.
Be kind whenever possible. It is always possible.
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.