The highest activity a human being can attain is learning for understanding, because to understand is to be free.

I can control my passions and emotions if I can understand their nature

He who wishes to revenge injuries by reciprocal hatred will live in misery. But he who endeavors to drive away hatred by means of love, fights with pleasure and confidence; he resists equally one or many men, and scarcely needs at all the help of fortune. Those whom he conquers yield joyfully

Reason connot defeat emotion, an emotion can only be displaced or overcome by a stronger emotion.

Happiness is a virtue, not its reward.

Things which are accidentally the causes either of hope or fear are called good or evil omens.

Reality and perfection are synonymous.