The late Richard Feynman, the Nobel Prize winning physicist, once confided to the audience of the BBC television program, “Horizon”:

“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 there are many things I don’t know anything about, such as whether it means anything to ask why we’re here, and what the question might mean.

“I might think about it a little bit and 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 feel frightened by not knowing things….”