To know oneself, one should assert oneself.
It's always too early to quit.
Either you run the day or the day runs you.
Quality is not an act, it is a habit.
If you've got a talent, protect it.
By failing to prepare, you are preparing to fail.
The wise does at once what the fool does at last.
The most effective way to do it, is to do it.
To be a good loser is to learn how to win.
If you're going through hell, keep going.
As a rule, software systems do not work well until they have been used, and have failed repeatedly, in real applications.
Whenever anyone says, 'theoretically,' they really mean, 'not really.'