Other things may be seized by might, or purchased with money, but knowledge is to be gained only by study, and study to be prosecuted only in retirement.

There is ... scarcely any species of writing of which we can tell what is its essence, and what are its constituents; every new genius produces some innovation, which, when invented and approved, subverts the rules which the practice of foregoing authors had established.

To hear complaints is wearisome alike to the wretched and the happy.

No man sympathizes with the sorrows of vanity.

Corneille is to Shakespeare as a clipped hedge is to a forest.

The roads of science are narrow, so that they who travel them, must wither follow or meet one another.

It is our first duty to serve society.