The greatest of follies is to sacrifice health for any other kind of happiness.

It is a clumsy experiment to make; for it involves the destruction of the very consciousness which puts the question and awaits the answer.

Unrest is the mark of existence.

The intellectual attainments of a man who thinks for himself resemble a fine painting, where the light and shade are correct, the tone sustained, the colour perfectly harmonised; it is true to life. On the other hand, the intellectual attainments of the mere man of learning are like a large palette, full of all sorts of colours, which at most are systematically arranged, but devoid of harmony, connection and meaning.

Marrying means, to grasp blindfolded into a sack hoping to find out an eel out of an assembly of snakes.

Hope is the confusion of the desire for a thing with its probability.

Nothing in life gives a man so much courage as the attainment or renewal of the conviction that other people regard him with favor; because it means that everyone joins to give him help and protection, which is an infinitely stronger bulwark against the ills of life than anything he can do himself.