教育培养绅士，但阅读、良好的伴侣和思考才能完成他。

解释：既要追悔以往的过失，也要预防将来可能发生的错误。

在计算机科学中，我们经常发现最简单的解决方案是最优雅的。

The first fruit of this imagination—and the first lesson of the social science that embodies it—is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

I declare: freedom is the ultimate goal of life.