Nothing should be valued higher than the value of the day.

Every day we should hear at least one little song, read one good poem, see one exquisite picture, and, if possible, speak a few sensible words.

The greater part of all the mischief in the world arises from the fact that men do not sufficiently understand their own aims.

I don't know a greater advantage, than to appreciate the worth of an enemy.

Certain faults are necessary for the existence of the individual. We would resent it if old friends were to get rid of certain peculiarities.

Each traveler should know what he has to see, and what properly belongs to him, on a journey.

With knowledge comes more doubt.