Yet he who grasps the moment's gift, He is the proper man.

Hypotheses are only the pieces of scaffolding which are erected round a building during the course of construction, and which are taken away as soon as the edifice is completed.

Old age is never honored among us, but only indulged, as childhood is; and old men lose one of the most precious rights of man,--that of being judged by their peers.

If I work incessantly to the last, nature owes me another form of existence when the present one collapses.

A life without love, without the presence of the beloved, is nothing but a mere magic-lantern show. We draw out slide after slide, swiftly tiring of each, and pushing it back to make haste for the next.

The greatest step forward would be to see that everything factual is already theory. The blueness of the sky reveals the basic lawof chromatics. Don't look for anything behind the phenomena, they themselves are the doctrine.

So long as you live and work, you will be misunderstood; to that you must resign yourself once and for all. Be silent!