And even those who are willing find that their efforts are often frustrated by human imperfection and things beyond their power to control.
حتى الاشخاص المستعدون لفعل كل ما يلزم يجدون غالبا ان جهودهم تفشل بسبب النقص البشري وبسبب امور خارجة عن نطاق سيطرتهم .‏