I could never divide myself from any man upon the difference of an opinion, or be angry with his judgment for not agreeing with me in that from which perhaps within a few days I should dissent myself.

Light is but the shadow of God.

If riches increase, let thy mind hold pace with them; and think it not enough to be liberal, but munificent.

I could be content that we might procreate like trees, without conjunction, or that we were any way to perpetuate the world without this trivial and vulgar way of coition; it is the foolishest act a wise man commits in all his life.

Natura nihil agit frustra [Nature does nothing in vain] is the only indisputible axiom in philosophy. There are no grotesques in nature; not any thing framed to fill up empty cantons, and unncecessary spaces.

That miracles have been, I do believe; that they may yet be wrought by the living, I do not deny: but have no confidence in those which are fathered on the dead.

I intend no Monopoly, but a Community in Learning; I study not for my own sake only, but for theirs that study not for themselves.