Brain: an apparatus with which we think that we think. Mind, n. A mysterious form of matter secreted by the brain.
Ambrose BierceNOUMENON, n. That which exists, as distinguished from that which merely seems to exist, the latter being a phenomenon. The noumenon is a bit difficult to locate; it can be apprehended only by a process of reasoning - which is a phenomenon.
Ambrose BierceTELESCOPE, n. A device having a relation to the eye similar to that of the telephone to the ear, enabling distant objects to plague us with a multitude of needless details. Luckily it is unprovided with a bell summoning us to the sacrifice.
Ambrose Bierce