世界上最好和最美丽的东西是看不见甚至摸不着的——它们必须用心去感受。
"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."
在数学中，提出问题的艺术必须比解决问题更有价值。
Success is not final, failure is not fatal: it is the courage to continue that counts.
结构化程序设计支持被排除中间语言的法律。
我不是信徒，我是怀疑论者。