To escape boredom, man works either beyond what his usual needs require, or else he invents play, that is, work that is designed to quiet no need other than that for working in general.

In order to acquire intellect one must need it. One loses it when it is no longer necessary.

Thus the will to power strives towards oppositions, towards displeasure. There is a will to suffering at the foundation of all organic life (contrary to "happiness" as "goal").

Now know I well what people sought formerly above all else when they sought Teachers of virtue. Good sleep they sought for themselves, and poppy-head virtues to promote it! To all those be-lauded sages of the academic chairs, wisdom was sleep Without dreams: they knew no higher significance of life. Even at present, to be sure, there are some like this preacher of virtue, and not always so honorable: but their time is past. And not much longer do they stand: there they already lie. Blessed are those drowsy ones: for they shall soon nod to sleep.-Thus spoke Zarathustra.

Be careful when you fight the monsters, lest you become one.

Love is blind; friendship closes its eyes.

A woman may very well form a friendship with a man, but for this to endure, it must be assisted by a little physical antipathy.