All the art of living lies in a fine mingling of letting go and holding on.

It is only the great men who are truly obscene. If they had not dared to be obscene, they could never have dared to be great.

To live remains an art which everyone must learn, and which no one can teach.

The by-product is sometimes more valuable than the product.

Beauty is the child of love.

It is curious how there seems to be an instinctive disgust in Man for his nearest ancestors and relations. If only Darwin could conscientiously have traced man back to the Elephant or the Lion or the Antelope, how much ridicule and prejudice would have been spared to the doctrine of Evolution.

The greatest task before civilization at present is to make machines what they ought to be, the slaves, instead of the masters of men.