It is not because things are difficult that we do not dare, it is because we do not dare that they are difficult.Lucius Annaeus Seneca
There are things I can't force. I must adjust. There are times when the greatest change needed is a change of my viewpoint.Denis Diderot
The two powers which in my opinion constitute a wise man are those of bearing and forbearing.Epictetus
The essence of philosophy is that a man should so live that his happiness shall depend as little as possible on external things.Epictetus