Friedrich Nietzsche

The Will to Power

Book Three: Principles of A New Evaluation 

539 (March-June 1888)
Parmenides said, “one cannot think of what is not”;-we are at the other extreme, and say “what can be thought of must certainly be a fiction. “

540 (1885)
There are many kinds of eyes. Even the sphinx has eyes-­ and consequently there are many kinds of “truths,” and consequently there is no truth.