We don't inherit leather from our ancestors—we borrow it from our children.
Mathematics is the most beautiful and most powerful creation of the human spirit.
质量不是一个部门;它是组织中每个人的责任。
You think when you wake up in the mornin yesterday don't count. But yesterday is all that does count. What else is there? Your life is made out of the days it's made out of. Nothin else.