在每一本书中,都有作者灵魂的一部分。
能够激发学生对一件善行或一首好诗的感受的教师,比那些用一排排自然物体填满我们记忆的人成就更大。
We must embrace the unknown in order to discover our true potential.
Environmental protection is the social responsibility of an enterprise.
A mathematician's work is never done; there are always more problems to solve.