Nothing is more important for the public wealth than to form and train youth in wisdom and virtue. Only a virtuous people are capable of freedom.

What science can there be more noble, more excellent, more useful for men, more admirably high and demonstrative, than this of mathematics?

None are deceived but they that confide.

Eyes and Priests Bear no Jests.

When confronted with two courses of action I jot down on a piece of paper all the arguments in favor of each one, then on the opposite side I write the arguments against each one. Then by weighing the arguments pro and con and cancelling them out, one against the other, I take the course indicated by what remains.

An infallible Remedy for the Tooth-ach, viz Wash the Root of an aching Tooth, in Elder Vinegar, and let it dry half an hour in the Sun; after which it will never ach more; Probatum est.

But the eyes of other people are the eyes that ruin us. If all but myself were blind, I should want neither fine clothes, fine houses nor fine furniture.