“I believe it is an established maxim in morals that he who makes an assertion without knowing whether…”

“Democritus says, "But we know nothing really; for truth lies deep down."”

“Of right and wrong he taught Truths as refined as ever Athens heard; And (strange to tell!) he…”

“All knowledge of reality starts from experience and ends in it. Propositions arrived at by purely logical means…”

“Look to the essence of a thing, whether it be a point of doctrine, of practice, or of…”

“We are born to inquire after truth; it belongs to a greater power to possess it. It is…”