If you think you can do it, you can.
To know oneself, one should assert oneself.
What you do today can improve all your tomorrows.
Well done is better than well said.
Be thine own palace, or the world's thy jail.
Do not weep do not wax indignant. Understand.
Wherever you are - be all there.
By failing to prepare, you are preparing to fail.
You never know what motivates you.
The secret of getting ahead is getting started.
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.'