Therefore, O students, study mathematics and do not build without foundations.
Every action needs to be prompted by a motive.
A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.
Realize that everything connects to everything else.
Where the spirit does not work with the hand, there is no art.
The eye, the window of the soul, is the chief means whereby the understanding can most fully and abundantly appreciate the infinite works of Nature; and the ear is second.