What I have introduced into Western countries, the pure love for Godhead process of LC, will go on increasing more & more to have effect to save others; otherwise, it will gradually become mechanical & fade away like other so-called religious movements

Expressions researched:
"otherwise, it will gradually become mechanical and fade away like every other so-called religious movement"

1972 Correspondence

Otherwise, it will gradually become mechanical and fade away like every other so-called religious movement. So you can understand that I am very much depending on you to become very much convinced yourself of our Krishna philosophy and to take full responsibility for teaching others purely.

Letter to Ranadhira -- Bombay 17 January, 1972: I am very much pleased that you are making such nice advancement in Krishna Consciousness and that you are always thinking in so many ways how to best serve the Lord. By fixing your attention in this way, worrying how He will be pleased with me, you will naturally very soon reach the supreme highest perfection of life which is pure Krishna Consciousness. You should be very serious for trying for it, as I think that you are one of my senior disciples and I am very much relying on you now to carry on this mission with full responsibility. We must become so responsible for seriously practicing this art of of Krishna Consciousness, because this world is so full of degrading elements of life for dragging everyone down and down, and if just a few men can perfect the art, they can save the rest of all the people from the greatest dangers. So I count you and your godbrothers among those few men who are treading seriously on the path back to Home, back to Godhead, and now we must maintain such exalted position and not fall back by neglecting our highest standards of devotional practices. In this way, what I have introduced into your Western countries, the pure love for Godhead process of Lord Caitanya Mahaprabhu, will go on increasing more and more to have effect by saving others; otherwise, it will gradually become mechanical and fade away like every other so-called religious movement. So you can understand that I am very much depending on you to become very much convinced yourself of our Krishna philosophy and to take full responsibility for teaching others purely.