translation.en: Encouraging dissent is a rebellious notion because it goes against our very instincts, which are to surround ourselves that we already believe or want to be true.
translation.zh: 鼓励不和谐的声音其实很反叛， 因为这与我们的本能背道而驰， 我们的本能是只接受 那些我们已经深信或者 主观上想去相信 的意见和建议。