Without duty, life is soft and boneless.
How many people make themselves abstract to appear profound. The most useful part of abstract terms are the shadows they create to hide a vacuum.
There was a time when the world acted on books; now books act on the world.
How many books there are whose reputation is made that would not obtain it were it now to make?
He who has not the weakness of friendship has not the strength.
A thought is a thing as real as a cannonball.