“The use of the pranava (OM) cannot be recommended indiscriminately to Christians, or of course to any others. It is too rich and too exalted for anyone to be capable of using it unless s/he has at least begun to taste the inner experience to which it refers. Otherwise it remains an empty sound, having no spiritual echo in the one who utters it. But if the Christian has tasted the spiritual tradition of India, and better still, if he has accepted the full implications of the gospel’s message (for the gathering and summing up of all things in Christ, and in him, the return of all to the Father, the Source and Consummation of all (1 Cor. 15:28,) and has allowed the Spirit to lead him into the depths of his own heart, then he is as much entitled as his Hindu brother or sister to sing or whisper the OM, the ultimate symbol of the abysmal depth of God and the self”