Convictions are more dangerous foes of truth than lies.

No one dies of fatal truths nowadays: there are too many antidotes.

Whatever a theologian regards as true must be false: there you have almost a criterion of truth.

The Germans are incapable of any conception of greatness: proof Schumann.

Young people love what is interesting and odd, no matter how true or false it is. More mature minds love what is interesting and odd about truth. Fully mature intellects, finally, love truth, even when it appears plain and simple, boring to the ordinary person; for they have noticed that truth tends to reveal its highest wisdom in the guise of simplicity.

People who feel insecure in social situations never miss a chance to exhibit their dominance over close, submissive friends, whomthey put down publicly, in front of everyone--by teasing, for example.

Metaphysical world.- It is true, there could be a metaphysical world; the absolute possibility of it is hardly to be disputed. We behold all things through the human head and cannot cut off this head; while the question nonetheless remains what of the world would still be there if one had cut it off.