He not busy being born is busy dying.

The best way to learn something is to teach it.

Leadership means making tough decisions today that will benefit the industry tomorrow.

"The only way to do great work is to love what you do."

I only dread one day at a time!

如果我们中的任何天主教徒，没有必要的科学知识，将科学审查显示为错误的东西作为教条提出，我们信仰的真理就会在异教徒中成为笑柄。

A sense of duty is just love of one's duty.

祖国是祭坛，不是基座。