The brutalities of progress are called revolutions. When they are over we realize this: that the human race has been roughly handled, but that it has advanced.

Let us say it now: to be blind and to be loved, is indeed, upon this earth where nothing is complete, one of the most strangely exquisite forms of happiness.

It is grievous for a man to leave behind him a shadow in his own shape.

The sewer is the conscience of the city.

Reaction - a boat which is going against the current but which does not prevent the river from flowing on.

Do you know what friendship is... it is to be brother and sister; two souls which touch without mingling, two fingers on one hand.

Nothing makes a man so adventurous as an empty pocket.