Chandragupta's advisor, Kautilya, was a great thinker and writer who wrote on a variety of topics. He wrote about statecraft, economics, politics, foreign relations, and military strategy. He also wrote about the duties of a king, the importance of justice and morality, and the value of education. In addition, he wrote about the nature of the universe and the power of the gods. Kautilya's writings were incredibly influential and provided an invaluable source of knowledge for Chandragupta and other rulers of the time.