Beyond Good and Evil by Friedrich Nietzsche Chapter 1 Page 19

Truth” in the background, and nothing else, cannot certainly boast of the sharpest ears. In rare and isolated cases, it may really have happened that such a Will to Truth — a certain extravagant and adventurous pluck, a metaphysician’s ambition of the forlorn hope — has participated therein: that which in the end always prefers a handful of “certainty” to a whole cartload of beautiful possibilities; there may even be puritanical fanatics of conscience, who prefer to put their last trust in a sure nothing, rather than in an uncertain something.

But that is Nihilism, and the sign of a despairing, mortally wearied soul, notwithstanding the courageous bearing such a virtue may display. It seems, however, to be otherwise with stronger and livelier thinkers who are still eager for life.