We are all haunted by the ghosts of our own making.
我们都被自己制造的幽灵所困扰。
The strength of a nation's institutions is not just in their formal rules, but in the informal norms that govern behavior and the degree to which they are internalized by the population.
A statement is a means to convey information， a promise is a means to make a commitment.
货币是一层面纱，但当这层面纱飘动时，实际产出可能会受到影响。
每个人都是孤独的岛屿。
没有充足的食物供应，今天所知道的文明就不可能进化，也不可能生存。