Most admirable, most worthy of you, O my preceptors. If it does not pain you, hear what need there is of the eternal. Virtue, desire, wealth and emancipation are the fourfold objects of men. Is it vain to adore him who is the source of these four objects? Why do ye speak in vain? Marichi and other ascetics, the Patriarch Daksha and other eminent men attained to virtue and others and obtained the enjoyment of their desires.

In plain words: Prahlada explains that people want four things in life: goodness, fulfilled desires, wealth, and freedom from rebirth. Since God is the source of all four, worshipping him is not pointless. Great sages like Marichi and Daksha gained these things this way.