关于化石燃料的讨论常常缺乏细微差别——我们必须承认它们的历史作用和超越它们的紧迫性。
"The only way to get rid of a temptation is to yield to it."
错误同真理的关系,就象睡梦同清醒的关系一样。一个人从错误中醒来,就会以新的力量走向真理。
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.