Sam Harris’ Waking Up. I’m sure that some of the neuroscience in it will become outdated, but its effect on my worldview and life trajectory can’t be understated.

Perhaps this is apocryphal, but when Richard Feynman was asked what one sentence would contain the most information to bootstrap science after apocalypse, he said “everything is made of atoms”. Sam Harris parallels this with his one sentence for spiritual practice: “you are not this next thought”.

Being reminded of this annually by way of the excellent exposition of Waking Up seems to be the right move for me.