If you don’t smoke before the age of 25 you are unlikely to ever start; if you do smoke before 25 you are unlikely to ever quit. - Kevin Kelly

Courtesy costs nothing. When you borrow something, return it cleaned. Lower the toilet seat after use. Let the car in front of you merge. Return shopping carts to their designated areas. Let the people in the elevator exit before you enter. These courtesies are free.

The work on any worthy project is endless, infinite. You cannot limit the work so you must limit your hours. Your time, not the work, is the only thing you can manage.

Inconsistency is an inevitable trait of any self-sustaining system built up out of consistent parts.