The brain may be regarded as a kind of parasite of the organism, a pensioner, as it were, who dwells with the body.
Talent hits a target no one else can hit; Genius hits a target no one else can see.
If we were not all so interested in ourselves, life would be so uninteresting that none of us would be able to endure it.
Sleep is the interest we have to pay on the capital which is called in at death; and the higher the rate of interest and the more regularly it is paid, the further the date of redemption is postponed.
It is only a man’s own fundamental thoughts that have truth and life in them. For it is these that he really and completely understands. To read the thoughts of others is like taking the remains of someone else’s meal, like putting on the discarded clothes of a stranger.
To free a person from error is to give, and not to take away.
Men are by nature merely indifferent to one another; but women are by nature enemies.
The first forty years of life give us the text; the next thirty supply the commentary on it.
To find out your real opinion of someone, judge the impression you have when you first see a letter from them.
They tell us that suicide is the greatest piece of cowardice… that suicide is wrong; when it is quite obvious that there is nothing in the world to which every man has a more unassailable title than to his own life and person.