Know or listen to those who know.

To know oneself, one should assert oneself.

Never complain and never explain.

Do not weep do not wax indignant. Understand.

I can, therefore I am.

If you've got a talent, protect it.

Quality is not an act, it is a habit.

The most effective way to do it, is to do it.

Without hard work, nothing grows but weeds.