Jealous is every virtue of the others, and a dreadful thing is jealousy. Even virtues may succumb by jealousy.

So far there has been no philosopher in whose hands philosophy has not grown into an apology for knowledge; on this point, at least, every one is an optimist, that the greatest usefulness must be ascribed to knowledge. They are all tyrannized over by logic, and this is optimism in its essence.

Willing sets you free: that is the true doctrine of will and freedom--thus Zarathustra instructs you.

Man is not equally moral at all hours, this is well known. If his morality is judged to be the capability for great self-sacrificing resolutions and self-denial (which, when continuous and grown habitual, are called holiness)

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.

Art is not merely an imitation of the reality of nature, but in truth a metaphysical supplement to the reality of nature, placed alongside thereof for its conquest.

Success has always been the greatest liar - and the "work" itself is a success; the great statesman, the conqueror, the discoverer is disguised by his creations, often beyond recognition; the "work," whether of the artist or the philosopher, invents the man who has created it, who is supposed to have create it; "great men," as they are venerated, are subsequent pieces of wretched minor fiction