I can, therefore I am.

It's always too early to quit.

To know oneself, one should assert oneself.

What you do today can improve all your tomorrows.

Quality is not an act, it is a habit.

Leap, and the net will appear.

Do not weep do not wax indignant. Understand.

Always desire to learn something useful.

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