Paracelsus

The dose makes the poison.

The interpretation of dreams is a great art.

The physician must give heed to the region in which the patient lives, that is to say, to its type and peculiarities.

Buddha means awareness, the awareness of body and mind that prevents evil from arising in either.

Democracy, loudly upheld as a cure for much of the ailing world, has proved no guarantor of political wisdom, even if it remains the least bad form of government.

We define ourselves as intelligent. That's odd, because we're doing the definition - We're creating our own definition and saying, 'We are intelligent!'