Many have said of Alchemy, that it is for the making of gold and silver. For me such is not the aim, but to consider only what virtue and power may lie in medicines.

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

Everything is a drug; it depends on the dose.

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

For it is we who must pray for our daily bread, and if He grants it to us, it is only through our labour, our skill and preparation.

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

From time immemorial artistic insights have been revealed to artists in their sleep and in dreams, so that at all times they ardently desired them.