Proof (n.) is never enough. One also has to seduce or elevate people to a thing.
Proof (n.) is required only in matters that are not worth much.
Proof (n.) to the demagogue means overthrowing; to convince means to drive insane; and blood is the best of all grounds.
Proof (n.) is not enough: one must also seduce or elevate people to it — so the man of knowledge must learn to speak his wisdom, often so that it sounds like folly.
Proof (n.) in the feeling that this has been proved and one is done with it is often the scholar's ancestor approving the finished job of good workmanship.
Proof (n.) as the test of truth is an arbitrary definition serving the majority: the demonstrable appeals to logic, the thing all our heads have most in common.