数学不是一项观赏性运动。
The ocean is not just a resource; it is our future.
不断学习。这是在快速变化的世界中保持相关性的唯一方法。
流放不是一个地方,而是一种你随身携带的心态。
I'm not perfect, but I'm perfectly me.
Those of us who have been fortunate have a duty to give back.Whether one gives a lot as one goes along as I do, or a little and then a lot (when one dies) as Warren does, is a matter of personal preference.