Know or listen to those who know.
After a storm comes a calm.
To be a good loser is to learn how to win.
You never know what motivates you.
Be gentle to all and stern with yourself.
Always desire to learn something useful.
If you've got a talent, protect it.
Problems are not stop signs, they are guidelines.
I can, therefore I am.
Well done is better than well said.
All the mathematical sciences are founded on relations between physical laws and laws of numbers, so that the aim of exact science is to reduce the problems of nature to the determination of quantities by operations with numbers.