The mind once enlightened cannot again become dark. Author: Thomas Paine Copy Quote More from Thomas Paine “For all men being originally equals, no one by birth could have the right to se…” “If, to expose the fraud and imposition of monarchy ... to promote universal pea…” “THESE are the times that try men's souls. The summer soldier and the sunshine p…” “Is it more probable that nature should go out of her course or that a man shoul…”