Quotes By Memoirs of Benjamin Franklin; Written by Himself, Volume II (of 2) With his Most Interesting Essays, Letters, and Miscellaneous Writings; Familiar, Moral, ... and Valuable to the General Reader

“What physicians call perspirable matter is that vapour which passes off from our bodies, from the lungs, and through the pores of the skin. The quantity of this is said to be five eighths of what we eat.—Author.”