The supreme quality for leadership is unquestionably integrity. Without it， no real success is possible， no matter whether it is on a section gang， a football field， in an army， or in an office.
书籍的美妙之处在于它们可以带你去任何地方。
History is, above all else, the creation and recording of that heritage; progress is its increasing abundance, preservation, transmission, and use.
可持续发展需要平衡经济效益与环境保护。