自由是一种必须每天重新征服的财富。
Nothing is certain, and nothing is impossible.
The art of programming is the art of organizing complexity.
The voice is a divine instrument, and we must use it wisely.
解释:树立品德,莫如日积月累,不懈怠地培植;治疗疾病,莫如彻底消除,不留下任何病根。