When Kali was not serving the Master, he would meditate and study Eastern and Western philosophy. Once he was reading John Stuart Mill’s logic, philosophy, and essays on religion. One night, seeing him reading in his room, the Master asked, “My boy, what are you reading?” “It is an English book on logic that teaches how to make arguments about the existence of God,” replied Kali. “Very well,” Ramakrishna replied. “It is you who have introduced the habit of reading among the boys. You should know that book-learning is of no value. If you want to kill yourself, a nail-cutter can serve the purpose. But if you are to kill others, you need swords, shields, and other weapons. Study is necessary for that purpose. Those who will teach people are to read books.” (Source: God Lived with Them)