I had ambition not only to go farther than any man had been before, but as far as it was possible for a man to go.
可持续性不是一种趋势,而是一种必需品。
翻译:蒙昧无知的人要用正道来培养,这是圣人的功业。
在弦理论的景观中,可能有10^500种不同的真空状态,每种状态对应一个不同的可能宇宙。