The house of a childless person is a void, all directions are void to one who has no relatives, the heart of a fool is also void, but to a poverty-stricken man all is void.
That man who is without religion and mercy should be rejected. A guru without spiritual knowledge should be rejected. The wife with an offensive face should be given up, and so should relatives who are without affection.
For the twice born the fire (agni) is a representative of god. The supreme lord resides in the heart of his devotees. Those of average intelligence (alpa-buddhi or kanista-adhikari) see god only in his sri-murti, but those of broad vision see the supreme lord everywhere.
Constant travel brings old age upon a man; a horse becomes old by being constantly tied up; lack of sexual contact with her husband brings old age upon a woman; and garments become old through being left in the sun.