54 The only reason for choosing a Guru who has himself attained is that he will aid the vigilance of the sleepy Chela, and, while tempering the Wind to that shorn lamb, will carefully harden him, and at the same time gladden his ears with holy discourse. But if such a person is in- accessible, let him choose any one with whom he has constant inter- course, explain the circumstances, and ask him to act. The person should if possible be trustworthy; and let the Chela remember that if he should be ordered to jump over a cliff it is very much better to do it than to give up the practice. And it is of the very greatest importance not to limit the vow in any way. You must buy the egg without haggling. In a certain Society the members were bound to do certain things, being assured that there was "nothing in the vow contrary to their civil, moral, or religious obligations." So when any one wanted to break his vow he had no difficulty in discovering a very good reason for it. The vow lost all its force. When Buddha took his seat under the blessed Bo-Tree, he took an oath that none of the inhabitants of the 10,000 worlds should cause him to rise until he had attained; so that when even Mara the great Arch-Devil, with his three daughters the arch-temptresses appeared, he remained still. Now it is useless for the beginner to take so formidable a vow; he