Medicine is the restoration of discordant elements.

One day the world will look upon research upon animals as it now looks upon research on human beings.

The men of experiment are like the ant; they only collect and use. But the bee...gathers its materials from the flowers of the garden and of the field, but transforms and digests it by a power of its own.

The fox when it sees a flock of herons or magpies or birds of that kind, suddenly flings himself on the ground with his mouth open to look as he were dead; and these birds want to peck at his tongue, and he bites off their heads.

Medicine is the restoration of discordant elements.

Black is like a broken vessel, which is deprived of the capacity to contain anything.

The organ of perception acts more readily than judgment.