It’s graduation season, which means commencement ceremonies will soon feature the wit and wisdom of celebrity speakers ranging from late-night comedian Conan O’Brien (Harvard), Henry Winkler, a.k.a. ‘The Fonz’ (Emerson College), and actor Hugh Jackman (Ball State). Even if you recall who addressed your graduation class, you likely can’t remember what they said unless you wrote it down. The ancient adage is true: The weakest ink is stronger than the best memory. In honor of commencement season, I thought I would share some of the best advice that I’ve heard, read, or pondered this past year. And I only remember these pearls because I wrote them down. You can reduce the number of problems in life by aiming for quality. High-quality people, products, and places produce fewer problems and generate more pleasantness, i.e., The Broadmoor Hotel. The late historian David McCullough once urged students to be careful when choosing their profession.…