"I can live with doubt and uncertainty and not knowing. I think it's much more interesting to live not knowing than to have answers which might be wrong. I have approximate answers and possible beliefs and different degrees of certainty about different things but I'm not absolutely sure of anything and then many things I don't know anything about, such as whether it means anything to ask, "Why we are here?" and what that question might mean. I might think about it a bit and then if I can’t figure it out then I go on to something else.
But I don't have to know an answer, I don’t have to . . . I don't feel frightened by not knowing things, by being lost in the mysterious universe without having any purpose which is the way it really is as far as I can tell possibly. It doesn’t frighten me."
--
Richard Feynman, "The Pleasure of Finding Things Out" (1981)