Never complain and never explain.

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

The secret of getting ahead is getting started.

It's always too early to quit.

Always desire to learn something useful.

Do not weep do not wax indignant. Understand.

If you're going through hell, keep going.

To know oneself, one should assert oneself.

Quality is not an act, it is a habit.