The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.

"I don't want to be a one-hit wonder. I want to have a career."

We must listen to the scientists and act on their warnings about marine ecosystems.

"Trust is the foundation of any successful organization."

"I wonder how many people I've looked at all my life and never seen."

数学不是一项观赏性运动；要理解它，必须积极参与其中。