Beyond Good and Evil by Friedrich Nietzsche Chapter 1 Page 5

In spite of all the value which may belong to the true, the positive, and the unselfish, it might be possible that a higher and more fundamental value for life generally should be assigned to pretence, to the will to delusion, to selfishness, and cupidity.

It might even be possible that WHAT constitutes the value of those good and respected things, consists precisely in their being insidiously related, knotted, and crocheted to these evil and apparently opposed things — perhaps even in being essentially identical with them. Perhaps! But who wishes to concern himself with such dangerous “Perhapses”! For that investigation one must await the advent of a new order of philosophers, such as will have other tastes and inclinations, the reverse of those hitherto prevalent — philosophers of the dangerous