वानप्रस्थस्य ब्रह्मचर्यं भूमौ शय्या जटा अजिन धारणम् अग्नि होत्र अभिषेकौ देवता पित्र् अतिथि पूजा वन्यश् च आहारः ॥
That of a Vanaprastha (forest-recluse) is observance of chastity, sleeping on the bare ground, keeping twisted locks, wearing deer-skin, fire-worship, ablution, worship of gods, ancestors, and guests, and living upon food stuffs procurable in forests.