To grow wiser means to learn to know better and better the faults to which this instrument with which we feel and judge can be subject.
Just as the performance of the vilest and most wicked deeds requires spirit and talent, so even the greatest demand a certain insensitivity which under other circumstances we would call stupidity.
To be content with life or to live merrily, rather all that is required is that we bestow on all things only a fleeting, superficial glance; the more thoughtful we become the more earnest we grow.
Much can be inferred about a man from his mistress: in her one beholds his weaknesses and his dreams.
If all else fails, the character of a man can be recognized by nothing so surely as by a jest which he takes badly.
There is no greater impediment to progress in the sciences than the desire to see it take place too quickly.
It is in the gift for employing all the vicissitudes of life to one's own advantage and to that of one's craft that a large part of genius consists.
The most perfect ape cannot draw an ape; only man can do that; but, likewise, only man regards the ability to do this as a sign of superiority.