٤-٦٢ حدثنا محمد بن الحسن رضي الله عنه قال: حدثنا محمد بن الحسن الصفار قال: حدثنا محمد بن الحسين بن أبي الخطاب، عن محمد بن سنان، عن المفضل بن عمر، عن أبي عبد الله عليه السلام قال: قوام الانسان وبقاؤه بأربعة: بالنار والنور والريح والماء، فبالنار يأكل ويشرب، وبالنور يبصر ويعقل، وبالريح يسمع ويشم، وبالماء يجد لذة الطعام والشراب، فلولا النار في معدته لما هضمت الطعام والشراب، ولولا أن النور في بصره لما أبصر ولا عقل، ولولا الريح لما التهبت نار المعدة، ولولا الماء لم يجد لذة الطعام والشراب. قال: وسألته عن النيران، فقال: النيران أربعة: نار تأكل وتشرب، ونار تأكل ولا تشرب، ونار تشرب ولا تأكل، ونار لا تأكل ولا تشرب. فالنار التي تأكل وتشرب فنار ابن آدم وجميع الحيوان، والتي تأكل ولا تشرب فنار الوقود، والتي تشرب ولا تأكل فنار الشجرة، والتي لا تأكل ولا تشرب فنار القداحة والحباحب
4-62 Muhammad ibn al-Hassan - may God be pleased with him - narrated that Muhammad ibn al-Hassan al-Saffar quoted Muhammad ibn al-Hussein ibn Abil Khat’tab, on the authority of Muhammad ibn Sin’an, on the authority of Al-Mufaz’zal ibn Umar, on the authority of Aba Abdullah as-Sadiq (MGB), “Man’s strength and survival depends on four things: fire, light, air and water. Eating and drinking are assisted by fire. Man sees and understands by light. Man hears and smells by air. Man enjoys food and drinks with water. If there was no heat form fire in man’s stomach, he could not digest food or drinks. If there was no light for his eyes, he could not see and understand. If air did not exist, his stomach would not get heated. If water did not exist, he could not enjoy eating food and drinking beverages.”Al-Mufaz’zal ibn Umar added, “I asked the Imam (MGB) about the various types of fire. He (MGB) said, ‘There are four types of fire: fire that eats and drinks; fire that eats but doesn’t drink; fire that drinks but doesn’t eat; and fire that neither eats nor drinks. The first is the fire with which one eats and drinks and that is in men and animals. The fire which eats but doesn’t drink is the fire of wood. The fire that drinks but doesn’t eat is the fire of the trees. The fire that neither eats nor drinks is that of flint stone and a glowworm. ”