Just as a scientist may use a journal to observe and record changes in some organism that he is studying, a diary may help you to observe and study your own behavior patterns and tendencies in your life.
لأنه ان صارت كتابة المذكِّرات واجبا ملحّا ،‏ فسوف تفشلون ويخيب املكم .‏ —‏ انظروا الإطار .‏