Be gentle to all and stern with yourself.

Quality is not an act, it is a habit.

Do not weep do not wax indignant. Understand.

To know oneself, one should assert oneself.

Never complain and never explain.

The wise does at once what the fool does at last.

Always desire to learn something useful.

By failing to prepare, you are preparing to fail.

You never know what motivates you.