The color of the object illuminated partakes of the color of that which illuminates it.

Every action needs to be prompted by a motive.

Wood feeds the fire which burns it.

Medicine is the restoration of discordant elements; sickness is the discord of the elements infused into the living body.

I roamed the countryside searching for answers to things I did not understand. Why shells existed on the tops of mountains. How the various circles of water form around the spot which has been struck by a stone, and why a bird sustains itself in the air.

Mechanics is the paradise of the mathematical sciences because by means of it one comes to the fruits of mathematics.

The artist sees what others only catch a glimpse of.