He who shuns the millstone, shuns the meal

Luther was guilty of two great crimes - he struck the Pope in his crown, and the monks in their belly.

Man is to man either a god or a wolf.

Give light, and the darkness will disappear of itself.

Prevention is better than cure.

(Only by) the good influence of our conduct may we bring salvation in human affairs; or like a fatal comet we may bring destruction in our train