If all else fails, the character of a man can be recognized by nothing so surely as by a jest which he takes badly.

Everyone is perfectly willing to learn from unpleasant experience - if only the damage of the first lesson could be repaired.

If all mankind were suddenly to practice honesty, many thousands of people would be sure to starve.

As I take up my pen I feel myself so full, so equal to my subject, and see my book so clearly before me in embryo, I would almost like to try to say it all in a single word.

What we have to discover for ourselves leaves behind in our mind a pathway that can be used on another occasion.

With a pen in my hand I have successfully stormed bulwarks from which others armed with sword and excommunication have been repulsed.

Nothing makes one old so quickly as the ever-present thought that one is growing older.