" The ability to admit that you do not know is the surest indication of your enduring strength, Kathryn,” he insisted. “Absolute certainty might seem comforting, but is actually proof that you’ve given up. You will learn no more once you have decided you know. Yes, it’s harder to live with the certainty that you don’t know, that you will surely fail again. But it is essential if you intend to take command of that fleet.” Janeway "
― Kirsten Beyer , Protectors (Star Trek: Voyager)