"Each discovery of science therefore adds a rung to a ladder of knowledge whose end is not in sight..."

“Each discovery of science therefore adds a rung to a ladder of knowledge whose end is not in sight because we are building the ladder as we go along. As far as I can tell, as we assemble and ascend this ladder, we will forever uncover the secrets of the universe—one by one.”

- Neil deGrasse Tyson, Death by Black Hole: and Other Cosmic Quandaries