A line is not made up of points. ... In the same way, time is not made up parts considered as indivisible 'nows.' Part of Aristotle's reply to Zeno's paradox concerning continuity.
He saw before him two roads, both equally straight ; but he saw two; and that terrified him — him, who had never in his life known but one straight line. And, bitter anguish, these two roads were contradictory.