衡量一个领导者的真正标准是他们在充满挑战的时期如何应对。
The stock market is filled with individuals who know the price of everything, but the value of nothing.
对来自学生的批评应该本着友好的精神来接受,学习材料的积累不应该扼杀学生的独立性。
I don't need a reason to be happy with who I am.