Don't flatter yourself that friendship authorizes you to say disagreeable things to your intimates. The nearer you come into relation with a person, the more necessary do tact and courtesy become.
Do today's duty, fight today's temptation; do not weaken and distract yourself by looking forward to things you cannot see, and could not understand if you saw them.
Perhaps middle age is, or should be, a period of shedding shells; the shell of ambition, the shell of material accumulations and possessions, the shell of the ego.