There is no such thing as perpetual tranquillity of mind while we live here; because life itself is but motion, and can never be without desire, nor without fear, no more than without sense.

Scientia potentia est, sed parva; quia scientia egregia rara est, nec proinde apparens nisi paucissimis, et in paucis rebus. Scientiae enim ea natura est, ut esse intelligi non possit, nisi ab illis qui sunt scientia praediti.

The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.

In a Democracy, look how many Demagogs that is how many powerful Orators there are with the people.

That wee have of Geometry, which is the mother of all Naturall Science, wee are not indebted for it to the Schools.

The first and fundamental law of Nature, which is, to seek peace and follow it.

Passions unguided are for the most part mere madness.