There is only one inborn error. and that is the notion that we exist in order to be happy.

The young should early be trained to bear being left alone; for it is a source of happiness and peace of mind.

To desire immortality for the individual is really the same as wanting to perpetuate an error forever.

It is not what things are objectively and in themselves, but what they are for us, in our way of looking at them, that makes us happy or the reverse.

There is not a grain of dust, not an atom that can become nothing, yet man believes that death is the annhilation of his being.

Every human perfection is allied to a defect into which it threatens to pass, but it is also true that every defect is allied to a perfection.

To form a judgment intuitively is the privilege of few; authority and example lead the rest of the world. They see with the eyes of others, they hear with the ears of others. Therefore it is very easy to think as all the world now think; but to think as all the world will think thirty years hence is not in the power of every one.