Of the four elements water is the second in weight and the second in respect of mobility. It is never at rest until it unites with the sea.

We must doubt the certainty of everything which passes through the senses, but how much more ought we to doubt things contrary to the senses, such as the existence of God and the soul.

Wood feeds the fire which burns it.

Love shows itself more in adversity than in prosperity; as light does, which shines most where the place is darkest.

average human “looks without seeing, listens without hearing, touches without feeling, eats without tasting, moves without physical awareness, inhales without awareness of odour or fragrance, and talks without thinking.

Every obstacle is destroyed through rigor.

It is ordained that to the ambitious, who derive no satisfaction from the gifts of life and the beauty of the world, life shall be a cause of suffering, and they shall possess neither the profit nor the beauty of the world.