You have to grind when no one else is grinding so you can shine when no one else is shining.

解释：花开得好看，但不结果实，比喻中看不中用，形式华丽而没有实际内容，是耻辱。

The most important skill for an economist is the ability to think clearly about trade-offs.

To understand the quantum world, we must first unlearn our classical intuitions.