经济发展理论研究的是经济系统如何产生不断改变它的力量。
The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.
灵魂被其思想的颜色所染色。
Pain can be a form of knowledge.
I think it's important to take risks and to challenge yourself. That's how you grow as an artist and as a person.
Persistence is the key to unlocking the mysteries of medicine.
在数学中，提出问题的艺术必须比解决问题更有价值。
成功不是偶然的，它是选择、坚持、学习、牺牲，以及最重要的，对所做之事的热爱。