Beyond Good and Evil by Friedrich Nietzsche Chapter 1 Page 26

Cujus est natura sensus assoupire.

But such replies belong to the realm of comedy, and it is high time to replace the Kantian question, “How are synthetic judgments a PRIORI possible?” by another question, “Why is belief in such judgments necessary?” — in effect, it is high time that we should understand that such judgments must be believed to be true, for the sake of the preservation of creatures like ourselves; though they still might naturally be false judgments!

Or, more plainly spoken, and roughly and readily — synthetic judgments a priori should not “be possible” at all; we have no right to them; in our mouths they are nothing but false judgments. Only, of course, the belief in their truth is necessary, as plausible belief and