The strength of a company lies in its people; invest in them, and they will invest in the business.

The worth of a psychological theory is measured by its usefulness.

If you don't give up, you still have a chance. Giving up is the greatest failure.

A ship in port is safe, but that's not what ships are built for.

The dead are not gone; they are part of us.

创造力不是奢侈品；它是过上有意义生活的必需品。

爱国主义是一种有害的、精神错乱的白痴形式。