I make this chief distinction between religion and superstition, that the latter is founded on ignorance, the former on knowledge.

What everyone wants from life is continuous and genuine happiness.

The more we understand individual things, the more we understand God.

Nature offers nothing that can be called this man's rather than another's; but under nature everything belongs to all.

But if men would give heed to the nature of substance they would doubt less concerning the Proposition that Existence appertains to the nature of substance: rather they would reckon it an axiom above all others, and hold it among common opinions. For then by substance they would understand that which is in itself, and through itself is conceived, or rather that whose knowledge does not depend on the knowledge of any other thing.

He who hates anyone will endeavor to do him an injury, unless he fears that a greater injury will thereby accrue to himself; on the other hand, he who loves anyone will, by the same law, seek to benefit him.

Men will find that they can ... avoid far more easily the perils which beset them on all sides by united action.