人是理性动物，但当他被要求按照理性的要求行动时，可又要发脾气了。
Art is eternal, life is fleeting.
The most exciting moments in mathematics are when you discover that two seemingly unrelated areas are deeply connected.
The Black Eyed Peas is a movement, not just a group.
The poetry of architecture lies in its ability to frame life.
Humility is the first lesson farming teaches us.
加强国际合作，推动煤炭行业技术和管理水平的提升。