The kingdom of God is within you is the cry of a protester who dicerns a huge gap between what is perceived and meant by the clergy that imposes on you in the name of God.
No wonders that an intrinsic like Mahatama Gandhi finds you in shelf of Inner Temple and presents its intelligence for future use.
How successfully he used it later in propounded his theory of Satyagraha in South Africa and won laurels for Indian indentured laborer there.
If you have in you the guts to oppose the set norms of society I recommend this book for you.