Every sentence carries the weight of all the words left unsaid.

Over one's mind and over one's body the individual is sovereign.

Success is not just about what you achieve, but how you achieve it.

Physics is not just about finding answers, it's about asking the right questions.

Data structures are the backbone of efficient algorithms.

I have a very simple idea on how to get rich. The first is to spend less than you make, and the second is to invest the difference wisely.

幸福不是没有问题，而是有能力处理它们。