The science which teacheth arts and handicrafts is merely science for the gaining of a living; but the science which teacheth deliverance from worldly existence, is not that the true science?

All generous minds have a horror of what are commonly called 'Facts'. They are the brute beasts of the intellectual domain.

When it happeneth that a man signifieth unto us two contradictory opinions whereof the one is clearly and directly signified, andthe other either drawn from that by consequence, or not known to be contradictory to it; then (when he is not present to explicate himself better) we are to take the former of his opinions; for that is clearly signified to be his, and directly, whereas the other might proceed from error in the deduction, or ignorance of the repugnancy.

The errors of definitions multiply themselves according as the reckoning proceeds; and lead men into absurdities, which at last they see but cannot avoid, without reckoning anew from the beginning.

When the nature of the thing is incomprehensible, I can acquiesce in the Scripture: but when the signification of words is incomprehensible, I cannot acquiesce in the authority of a Schoolman.

The world is governed by opinion.

A free man is he that, in those things which by his strength and wit he is able to do, is not hindered to do what he has a will to.