But they that hold God to be [an incorporeal substance]do absolutely make God to be nothing at all. But how? Were they atheists? No. For though by ignorance of the consequence they said that which was equivalent to atheism, yet in their hearts they thought God a substanceSo that this atheism by consequence is a very easy thing to be fallen into, even by the most godly men of the church.

Intemperance is naturally punished with diseases; rashness, with mischance; injustice; with violence of enemies; pride, with ruin; cowardice, with oppression; and rebellion, with slaughter.

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.

The first cause of Absurd conclusions I ascribe to the want of Method.

Religions are like pills, which must be swallowed whole without chewing.

The condition of man... is a condition of war of everyone against everyone.

There is more in Mersenne than in all the universities together.