Thus I spoke, more and more softly; for I was afraid of my own thoughts and the thoughts behind my thoughts.

When one has finished building one's house, one suddenly realizes that in the process one has learned something that one really needed to know in the worst way - before one began.

Do not be deceived! The busiest people harbor the greatest weariness, their restlessness is weakness--they no longer have the capacity for waiting and idleness.

On the mountains of truth you can never climb in vain: either you will reach a point higher up today, or you will be training your powers so that you will be able to climb higher tomorrow.

truths are illusions of which one has forgotten that they are illusions, metaphors that have become worn-out and deprived of their sensuous force, coins that have lost their imprint and are now no longer seen as coins but as metal.

"Faith" as an imperative is a veto against science-in praxi, it means lies at any price.

Live dangerously. Build your cities on the slopes of Vesuvius.