Change starts with a single step, but it takes a collective effort to make it last.
Integrity is the foundation of all business relationships.
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people die tomorrow night, so don't give up today.
我不认为每个人都应该成为数学家,但我确实相信许多学生没有给数学一个真正的机会。
我们每天可支配的时间是有弹性的;我们感受到的激情会扩展它,我们激发的激情会收缩它。