Quality is not an act, it is a habit.
If you think you can do it, you can.
What you do today can improve all your tomorrows.
Never complain and never explain.
Wherever you are - be all there.
If you're going through hell, keep going.
Leap, and the net will appear.
Who seeks shall find.
Things do not happen. Things are made to happen.
Go for it now. The future is promised to no one.
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.'