Problems are not stop signs, they are guidelines.

To be a good loser is to learn how to win.

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

I can, therefore I am.

Be gentle to all and stern with yourself.

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

Quality is not an act, it is a habit.

To know oneself, one should assert oneself.

Know or listen to those who know.