Duty is the most sublime word in our language. Do your duty in all things. You cannot do more. You should never wish to do less.
数学之美在于它能够精确而优雅地描述自然界的基本法则。
生物学的美丽在于它能够通过简单的原理解释生命的多样性。
A writer’s life is a life of interruptions.
"每一本书都是一个新的世界,等待着读者去探索。"
The principle goal of education is to create men who are capable of doing new things, not simply of repeating what other generations have done.