The unity of knowledge and action is not only a theoretical issue but also a practical one.
知行合一不仅是一个理论问题,也是一个实践问题。
能源的未来在于多样化和适应性。
"Art is not a mirror held up to reality but a hammer with which to shape it."
犯罪并非非理性行为,而是对激励和约束的回应。
The actions of men are the best interpreters of their thoughts.