Srimad Bhagavatam: Satyam Param Dhimahi
Why did Veda Vyasa compose the Srimad Bhagavatam after giving the world so many granthas? Its first two shlokas give us the answer: the Bhagavatam turns the heart completely towards Krishna, the Param Satyam, and reveals the highest dharma through which the jiva comes to know and love Him.