I'm not a teacher, I'm a student.

The quality of institutions is the key determinant of a country's success or failure.

The greatest mistake you can make in life is to be continually fearing you will make one.

译文：君主没有威严而权力旁落左右近臣之手。

不过是君主不把它［爱人利人］用在政事上,士大夫也不把它付诸行动罢了。