Sam Harris revisits the central argument he made in his book, The Moral Landscape, about the reality of moral truth. He discusses the way concepts like “good” and “evil” can be thought about objectively, the primacy of our intuitions of truth and falsity, and the unity of knowledge.

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Learning how to train your mind is the single greatest investment you can make in life. That’s why Sam Harris created the Waking Up app. From rational mindfulness practice to lessons on some of life’s most important topics, join Sam as he demystifies the practice of meditation and explores the theory behind it.