" We have a limited number of hours to play with each day. That means every time we say yes to someone, we’re saying no to someone or something else. And every time we say no, we free ourselves to spend that time and attention on another person or interest. "

― Damon Zahariades , The Art Of Saying NO: How To Stand Your Ground, Reclaim Your Time And Energy, And Refuse To Be Taken For Granted (Without Feeling Guilty!)