The healthy stomach is nothing if not conservative. Few radicals have good digestions.

-Butler, Samuel
Collected in H F  Jones (ed)  The Notebooks of Samuel Butler (1912).

A good eater must be a good man; fora good eater must have a good digestion, and a good digestion depends upon a good conscience.

-Disraeli, Benjamin, 1st Earl of Beaconsfield
TheYoung Duke, bk.1, ch.14.

A sick society must think much about politics, as a sick man must think much about his digestion.

-Lewis, C(live) S(taples)
 The Weight of Glory.

Onegoestoseeatragedy tobe moved, tothe opera one goes either for want of any other interest or to facilitate digestion.

-Voltaire pseudonym of  Fran c° ois Marie Arouet
Quoted inJ Wechsberg The Opera (1972).