A writer is someone who spends years patiently trying to discover the second being inside him, and the world that makes him who he is.
Without models, we would be wandering in the dark when it comes to predicting climate change.
Critical comments by students should be taken in a friendly spirit， accumulation of material should not stifle the student’s independence.
足够爱自己，才能设定界限。
Whenever two programmers meet to criticize their programs, both are silent.