No president who performs his duties faithfully and conscientiously can have any leisure.

"The world is a stage, but the play is badly cast."

Sustainability isn't a cost—it's an investment in our future.

林肯的政敌批评林肯有“两面三刀”时的幽默回应。因为就政治人物而言，林肯的长相极不讨喜，像个野猴

Growth itself contains the germ of happiness.

The most important thing in the programming world is to keep learning and adapting to new technologies.