Brain: an apparatus with which we think that we think. Mind, n. A mysterious form of matter secreted by the brain.
Ambrose BierceARSENIC, n. A kind of cosmetic greatly affected by the ladies, whom it greatly affects in turn.
Ambrose BierceTHEOSOPHY, n. An ancient faith having all the certitude of religion and all the mystery of science.
Ambrose Bierce