科学在知识与无知的边界探索 Science works on the frontier between knowledge and ignorance. 我们不怕承认自己不知道 We#re not afraid to admit what we don#t know 不必对此感到羞愧 There#s no shame in that. 假装掌握一切答案才是唯一的羞愧 The only shame is to pretend that we have all the answers.