He who would distinguish the true from the false must have an adequate idea of what is true and false.
Authentication Score 3
Original Citation
Spinoza, Baruch. Ethica, Ordine Geometrico Desmonstrata [Ethics, Demonstrated in Geometrical Order]. 1677, pt. 2, prop. 42, proof.
Current Citation
Spinoza, Benedict. Ethics, translated by Michael Silverthorne and Matthew J. Kinser. Cambridge University Press, 2018, pt. 2, prop. 42, proof.