Modern quarrying requires us to be geologists, ecologists, and community diplomats simultaneously.
The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.
决定我们是否富有的，不是我们拥有的东西，而是我们没有也行的东西。
世间之事，有的可以做，有的不可以做，明知不可为而为之，是愚蠢的行为。
Peace is not merely the absence of war, but the presence of justice, of law, of order—in short, of government.