Lacinio, Giano [Alchemy]. . . the key to all good things, the Art of Arts, the science of sciences.
Mersenne We can take pride in the fact that there is no science as certain as ours because it teaches by experience which is the mother, the source and the universal cause of all knowledge: and it is for the lack of this that Aristotle and the other philosophers have wondrously failed in their philosophy. . .