The eye transmits its own image through the air to all the objects which face it, and also receives them on its own surface, whence the "sensus communis" takes them and considers them.

Everything proceeds from everything else and everything becomes everything, and everything can be turned into everything else.

He who possesses most must be most afraid of loss.

The water which rises in the mountains is the blood which keeps the mountain in life.

Even the richest soil, if left uncultivated will produce the rankest weeds.

Test knowledge through experience, be prepared to make mistakes, and be persistent about it.

Those who, in debate, appeal to their qualifications, argue from memory, not from understanding.