安全困境是国际政治的一个基本特征,因为国家增加自身安全的努力往往会降低其他国家的安全。
Once you've accepted your flaws, no one can use them against you.
In saying that someone did something, we may be doing something ourselves.
Profitability and responsibility must go hand in hand, or neither will last.
Investors should avoid trying to time the market; it's a losing game.