Well done is better than well said.
Begin to be now what you will be hereafter.
To be a good loser is to learn how to win.
Always desire to learn something useful.
It's always too early to quit.
Go for it now. The future is promised to no one.
Never complain and never explain.
If you can dream it, you can do it.
Leap, and the net will appear.
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.'