I can, therefore I am.

Do not weep do not wax indignant. Understand.

Know or listen to those who know.

Either you run the day or the day runs you.

Never complain and never explain.

Begin to be now what you will be hereafter.

If you're going through hell, keep going.

Quality is not an act, it is a habit.

To know oneself, one should assert oneself.