True knowledge of good and evil as we possess is merely abstract or general, and the judgment which we pass on the order of things and the connection of causes, with a view to determining what is good or bad for us in the present, is rather imaginary than real.

Anyone who seeks for the true causes of miracles, and strives to understand natural phenomena as an intelligent being, and not to gaze at them like a fool, is set down and denounced as an impious heretic.

To comprehend an idea, a person must simultaneously accept it as true. Conscious analysis - which, depending on the idea, may occur almost immediately or with considerable effort - allows the mind to reject what it intially accepted as fact.

No matter how thin you slice it, there will always be two sides.

Minds are not conquered by force, but by love and high-mindedness.

Nature is satisfied with little; and if she is, I am also.

We are so constituted by Nature that we easily believe the things we hope for, but believe only with difficulty those we fear, and that we regard such things more or less highly than is just. This is the source of the superstitions by which men everywhere are troubled. For the rest, I don