Throughout history some books have changed the world. They have transformed the way we see ourselves
- & each other. They have inspired debate dissent war & revolution. They have enlightened outraged provoked & comforted. They have enriched lives
- & destroyed them. Now Penguin brings you the works of the great thinkers pioneers radicals & visionaries whose ideas shook civilization & helped make us who we are. The Father of Existentialism Kierkegaard transformed philosophy with his conviction that we must all create our own nature; in this great work of religious anxiety he argues that a true understanding of God can only be attained by making a personal leap of faith.