What the eyes perceive in herbs or stones or trees is not yet a remedy; the eyes see only the dross.

We do not know it because we are fooling away our time with outward and perishing things, and are asleep in regard to that which is real within ourself.

Since nothing is so secret or hidden that it cannot be revealed, everything depends on the discovery of those things that manifest the hidden.

Time is a brisk wind, for each hour it brings something new.

The universities do not teach all things ... so a doctor must seek out old wives, gypsies, sorcerers, wandering tribes, old robbers, and such outlaws and take lessons from them. A doctor must be a traveller . . . Knowledge is experience.

Anyone who imagines that all fruits ripen at the same time as the strawberries knows nothing about grapes.

Determined will is the beginning of all magical operations. It is because men do not perfectly imagine and believe the result, that the (occult) arts are so uncertain, while they might be perfectly certain.