He vows not to injure living beings, not to lie, not to steal, to be continent, to be liberal; with the five minor vows, not to get angry, to obey the Teacher, not to be rash, to be cleanly and pure in eating.[23] To this ascetic order in the Brahman priesthood may be traced the origin of the heretical monks.

Even in the Br[=a]hmanas occur the termini technici of the Buddhist priesthood, notably the Cramana or ascetic monk, and the word _buddha_, 'awakened' (_pratibudh_).

The 'four orders' are those enumerated as the householder, student, ascetic, and forest-hermit.

If one live in all four orders according to rule, and be serene, he will come to peace, that is, salvation ([=A]pastamba, 2.9.21.I, 2).
According to this later legal writer, who belongs to Southern India,[24] it is only after one has passed through all the preceding stadia that he may give up works (sacrifice, etc.) and devote himself to seeking the [=a]tm[=a],'wandering about, without caring for earth or heaven, renouncing truth and falsehood, pleasure and pain' (_ib_.
10, 13).

There follows this passage one significant of the opposition between purely Upanishad-ideas and those of the law-givers: 'Acquirement of peace (salvation) depends, it is said, on knowledge; this is opposed by the codes.