Luther

All foods are good creations of God and to be used. Only take heed to be temperate in appropriating them and to abstain when it is necessary to the conquest of the works of darkness. It is impossible to lay down a common rule of abstinence, for all bodies are not constituted alike. One needs more, another less. Everyone must judge for himself, and must care for his body according to the advice of Paul: “Make not provision for the flesh, to fulfill the lusts thereof.” [Note: Luther’s German reads, Make provision for the flesh, yet not so as to fulfill the lusts thereof.”]—Homily for Advent I Epistle, Church Postils