[Science is] the desire to know causes.

Honesty is one part of eloquence. We persuade others by being in earnest ourselves.

Cowardice is not synonymous with prudence. It often happens that the better part of discretion is valor.

We must be doing something to be happy.

It is not the passion of a mind struggling with misfortune, or the hopelessness of its desires, but of a mind preying on itself, and disgusted with, or indifferent to all other things.

What are the publications that succeed? Those that pretend to teach the public that the persons they have been accustomed unwittingly to look up to as the lights of the earth are no better than themselves.

A distinction has been made between acuteness and subtlety of understanding. This might be illustrated by saying that acuteness consists in taking up the points or solid atoms, subtlety in feeling the air of truth.