Great pleasures are much less frequent than great pains.

It seems to me, that the only Objects of the abstract Sciences or of Demonstration is Quantity and Number, and that all Attempts to extend this more perfect Species of Knowledge beyond these Bounds are mere Sophistry and Illusion.

It is an absurdity to believe that the Deity has human passions, and one of the lowest of human passions, a restless appetite for applause

Your corn is ripe today; mine will be so tomorrow. 'Tis profitable for us both, that I should labour with you today, and that you should aid me tomorrow.

The sweetest path of life leads through the avenues of learning, and whoever can open up the way for another, ought, so far, to be esteemed a benefactor to mankind.

It is still open for me, as well as you, to regulate my behavior, by my experience of past events.

It is a certain rule that wit and passion are entirely incompatible. When the affections are moved, there is no place for the imagination.