Terry Teachout

All history, and most especially the history of the 20th century, argues against placing ideas in the saddle and allowing them to ride mankind. Too often, they end up riding individual men and women into mass graves.

I am, as it happens, a baby boomer, but not one who feels any broad-gauge nostalgia for the '60s and '70s. My attitude resembles that of my parents, who were born in the '20s and lived through the Great Depression and World War II.

Trust your gut instinct over spreadsheets. There are too many variables in the real world that you simply can't put into a spreadsheet. Spreadsheets spit out results from your inexact assumptions and give you a false sense of security. In most cases, your heart and gut are still your best guide.