Vedic Culture: Varṇāśrama-dharma
17
even if one has the tendency to enjoy material life, he is so nicely molded that at last he achieves liberation and goes back home, back to Godhead. This is the process. So sex life is not required, but because we are attached to it, therefore there are some regulative principles under which it is maintained.
[Chanting starts somewhere in the background, with exotic mṛdaṅga drumbeats amidst laughing and the loud blowing of horns.]
ŚRĪLA PRABHUPĀDA:  It is said in Śrīmad-Bhāgavatam that—
puṅsaḥ striyā mithunī-bhāvam etaṁ 
    tayor mitho hṛdaya-granthim āhuḥ 
    ato gṛha-kṣetra-sutāpta-vittair 
    janasya moho 'yam ahaṁ mameti  
    [Bhāg. 5.5.8]
This sex life is the basic principle of material life—attachment for man or woman. And when they are united, when a man and woman are united, that attachment becomes increased, and that increased attachment will induce one to accumulate  gṛha  (a home),  kṣetra  (land),  suta  (children),  āpta  (friendship or society) and  vitta .  Vitta  means money. In this way— gṛha-kṣetra-sutāpta-vittaiḥ —he becomes entangled.  Janasya moho 'yam : this is the illusion. And by this illusion he thinks,  ahaṁ mameti : “I am this body, and anything in relationship with this body is mine.”
BOB:  What is that again?
ŚRĪLA PRABHUPĀDA:  This attachment increases. The material attachment involves thinking, “I am this body, and because I have this body in a particular place, that is my country.” And that is going on: “I am American, I am Indian, I am German, I am this, I am that—this body. This is my country. I shall sacrifice everything for my country and