A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.
It's not enough that you believe what you see. You must also understand what you see.
Just as courage imperils life, fear protects it.
Learning acquired in youth arrests the evil of old age.
Fix your course on a star and you'll navigate any storm.
What induces you, oh man, to depart from your home in town, to leave parents and friends, and go to the countryside over mountains and valleys, if it is not for the beauty of the world of nature?