Expect problems and eat them for breakfast.
Things do not happen. Things are made to happen.
Be thine own palace, or the world's thy jail.
By failing to prepare, you are preparing to fail.
Know or listen to those who know.
Who seeks shall find.
I can, therefore I am.
If you think you can do it, you can.
Be kind whenever possible. It is always possible.
Begin to be now what you will be hereafter.
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.'