Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.

"Science is the poetry of reality."

适应力是任何行业长久发展的关键。

La memoria es como un espejo roto en mil pedazos, y sin embargo cada fragmento refleja la verdad entera.

International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.

我不是物质女孩，但我确实喜欢好东西。

几何学是独特且永恒的，是上帝心智的反映。

绝望会加倍力量。