Mathematics is, as it were, a sensuous logic, and relates to philosophy as do the arts, music, and plastic art to poetry.

Genius is, to be sure, not a matter of arbitrariness, but rather of freedom, just as wit, love, and faith, which once shall become arts and disciplines. We should demand genius from everybody, without, however, expecting it.

Can we expect the redemption of the world from scholars? I doubt it. But the time has come for all artists to join together as a confederation in an eternal league.

Imagination must first be filled to the point of saturation with life of every kind before the moment arrives when the friction of free sociability electrifies it to such an extent that the most gentle stimulus of friendly or hostile contact elicits from it lightning sparks, luminous flashes, or shattering blows.

Irony is a clear consciousness of an eternal agility, of the infinitely abundant chaos.

A priest is he who lives solely in the realm of the invisible, for whom all that is visible has only the truth of an allegory.

The whole history of modern poetry is a continuous commentary on the short text of philosophy: every art should become science, and every science should become art; poetry and philosophy should be united.