Never will this prevail, that the things that are not are — bar your thought from this road of inquiry.
Give me the power to produce fever and I’ll cure all disease.
Change is an illusion.
You must learn all things, both the unshaken heart of persuasive truth, and the opinions of mortals in which there is no true warranty.
Let reason alone decide.
Gaze steadfastly at things which, though far away, are yet present to the mind.