Excerpts from Supreme Master Ching Hai's lecture: I have told you to be successful in the world, but not at the cost of the spiritual progress. Understand? Because after we leave this world, we have nothing. We cannot bring anything with us. So if we cannot balance our life between spiritual and material gain, we have to quit one or another. So the choice is yours. Anytime we should choose the spiritual progress before the material gain, of course. But I could not force you to make one choice or ...