60 quotes about 60 things I’ve learned in 60 years

My big divisible-by-five birthday has arrived! At past milestone birthdays and events, I’ve written lists of things I’ve learned during that time. For my 60th birthday, I’m doing something different. Here are 60 quotes from my speeches and books that reflect things I’ve learned in life.
- I need coffee to deal with this, and I’m not getting decaf. — Offline