So this sad-dharma means the occupational duty of the soul. That is sad-dharma. And except that duty, whatever we are doing, that is asad-dharma; it will not stay. Now I have got this body, Indian body or Christian body or American body. But this, everything, this conception of Christianity or Indian nationality or American nationality—everything will be finished with this body. Everything will be finished. Therefore all our engagements in this connection, they are all asad-dharma. It is very difficult. We are all engaged in occupational duties, all asad-dharma. But the Vedic injunction is asato mā sad gama: "Don't remain in this asat platform. Come to the sat platform." And the same thing is described here, sad-dharmasyāvabodhāya.
So the human life begins when we can distinguish between sat and asat. If we remain in darkness, without understanding what is sat and asat, then we are no better than dogs and cats. So the modern civilization, not only . . . Nowadays very big problem. People are very much attached to asad-dharma. They are not . . . Because they are so dull-headed, they cannot understand what is sat and what is asat. They cannot understand, dull-headed. Therefore brain requires to be clarified