Consider that we shouldn't call our brother a fool, since we don't know ourselves what we are.

Poison is in everything, and no thing is without poison. The dosage makes it either a poison or a remedy.

Could we but rightly comprehend the mind of man, nothing would be impossible to us upon the earth.

All things are poisons. It is simply the dose that distinguishes between a poison and a remedy.

That which lives on reason lives against the spirit.

All numbers are multiples of one, all sciences converge to a common point, all wisdom comes out of one center, and the number of wisdom is one.

The beginning of wisdom is the beginning of supernatural power.