If you would be chaste, you must be temperate.

Have you not budged an inch, then? Such is the daily news. Its facts appear to float in the atmosphere.... We should wash ourselves clean of such news. Of what consequence, though our planet explode, if there is no character involved in the explosion? In health we have not the least curiosity about such events. We do not live for idle amusement. I would not run round a corner to see the world blow up.

Say what you have to say, not what you ought. Any truth is better than make-believe.

If you're familiar with a principle you don't have to be familiar with all of its applications.

It is only when we forget all our learning that we begin to know.

The most attractive sentences are not perhaps the wisest, but the surest and soundest.

Statesmen and legislators, standing so completely within the institution, never distinctly and nakedly behold it. They speak of moving society, but they have no resting-place without it. They may be men of a certain experience and discrimination, and have no doubt invented ingenious and even useful systems, for which we sincerely thank them; but all their wit and usefulness lie within certain not very wide limits. They are wont to forget that the world is not governed by policy and expediency.