不在于你有多想要，而在于你愿意为之付出多少努力。

学习一门新编程语言的最好方法是用它写程序。

"We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction."

管理是企业的核心，只有科学管理才能提高效率。

材料的物理性就是它的意义。