This question has perplexed mankind for millenniums. Throughout the ages, people in every society have pondered this subject and have come up with various theories.
پاتریارخ ایّوب که تقریباً ۳۵۰۰ سال پیش می‌زیست ،‏ پرسید :‏ « اگر مرد بمیرد بار دیگر زنده شود ؟‏ »