经济学家最重要的技能是清晰地思考权衡取舍。
The most important skill for an economist is the ability to think clearly about trade-offs.
灵魂被其思想的颜色所染色。
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
【讲解】：一个人的高尚的品质和外在的表现一致，然后才能成为君子。