I happened to get wet.

421. Men have entertained a conceit that showeth prettily ; namely, that if you graft a late-coming fruit upon a stock of a fruit-tree that cometh early, the graft will bear early ; as a peach upon a cherry ; and contrariwise, if an early-coming fruit upon a stock of a fruit-tree that cometh late, the graft will bear fruit late ; as a cherry upon a peach. But these are but imaginations, and untrue. The cause is, for that the cion overruleth the stock quite : and the stock is but passive only, and giveth aliment, but no motion to the graft.

1931, Davidson Black, Palæogeography and polar shift: a study of hypothetical projections http://books.google.com/books?id=mqdXkgAACAAJ&dq

A=U-TS where A is Helmholtz free energy, U is internal energy, T is temperature, and S is entropy.