It is a dangerous thing to reform anyone.
One can always know at once whether a man has home claims upon his life or not. I have noticed a very, very sad expression in the eyes of so many married men.
A mother who doesn't part with a daughter every season has no real affection.
To be good is to be in harmony with oneself. Discord is to be forced to be in harmony with others.
A really grand passion is comparatively rare nowadays. It is the privilege of people who have nothing to do. That is the one use of the idle classes in a country.
There is no secret of life. Life's aim, if it has one, is simply to be always looking for temptations. There are not nearly enough of them; I sometimes pass a whole day without coming across a single one. It is quite dreadful. It makes one so nervous about the future.
All thought is immoral. Its very essence is destruction. If you think of anything you kill it; nothing survives being thought of.
What is truth? In matters of religion it is simply the opinion that has survived. In matters of science it is the ultimate sensation. In matters of art it is one's last mood.
It is so easy to convert others. It is so difficult to convert oneself.
A little sincerity is a dangerous thing, and a great deal of it is absolutely fatal.