Here I link to this year's Edge Question: WHAT SCIENTIFIC CONCEPT WOULD IMPROVE EVERYBODY'S COGNITIVE TOOLKIT?
Given that earlier today I was told I am right on the edge of a big transition in life (6 weeks of residency remaining!) this article hit home. One answer in particular from a Physicist Nigel Goldenfeld starts off with the quotation above. Really just a perfect way to summarize how I feel about a few things these days.