The wise does at once what the fool does at last.
To be a good loser is to learn how to win.
Expect problems and eat them for breakfast.
Go for it now. The future is promised to no one.
Without hard work, nothing grows but weeds.
Either you run the day or the day runs you.
Leap, and the net will appear.
It's always too early to quit.
Quality is not an act, it is a habit.
The most effective way to do it, is to do it.
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.