I can, therefore I am.

Leap, and the net will appear.

To know oneself, one should assert oneself.

If you think you can do it, you can.

Never complain and never explain.

Be thine own palace, or the world's thy jail.

Do not weep do not wax indignant. Understand.

Quality is not an act, it is a habit.

Always desire to learn something useful.