I’m constantly learning valuable new lessons, but I generally find it difficult to recall any particular good lessons at any particular moment. I got the same problem with jokes. I’ve heard a lot of good jokes in my life, but if I’m put on the spot, I’m at a loss to remember more than one or two.

I thought it might be a good time to dig deep to try extra hard to remember a few of those lessons that have taken deep root with me. One shortcut would be to cite some of the books I have read which have provided some good lessons. For me, one of those books has been Inner Peace for Busy People, by psychologist Joan Borysenko (2001). She divided her book into 52 chapters, each of them offering a strategy for holding things together and finding peace in one’s life.

In chapter 1 Borysenko recommends that we pay attention to the Yerkes-Dodson law, which holds that increased stress makes us more productive only to a point, while further increases decrease productivity. Borysenko argues that many highly productive people operate “on the descending limb of the stress/productivity curve.” In short, they could be more productive if they could only push themselves a bit less, which would reduce the toll they are putting on their overstressed bodies.

In chapter 2 (of her 52 chapter book), Borysenko draws on the Buddhist saying that “Peace is like a sun that’s always shining in your heart. It’s just …