Genius without discipline is like a ship without a rudder.

我们接受自认为应得的爱。

Sustainability is not just a goal, it's a responsibility we owe to the future.

世界充满了故事，时不时地，它们允许自己被讲述。

Never try to discourage thinking, for you are sure to succeed.

The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.

积极心理学不是一项观赏性运动

没有什么比煤矿工人更美国了。