Because they resorted to Einstein, it is vital to recollect he also wrote at the time a quiet and modest lifetime brings additional Pleasure than the usual pursuit of achievements sure with constant unrest⁵. إسلاميًا : ألم يقل سبحانه "وَإِذْ تَأَذَّنَ رَبُّكُمْ لَئِن شَكَرْتُمْ لأَزِيدَنَّكُمْ " "وَإِن تَشْكُرُواْ يَرْضَهُ لَكُمْ https://www.youtube.com/watch?v=dDU2ccHcBbU