Good deeds do not cancel out bad, nor do bad deeds erase good.

实验室是一个失败只是进步的另一个词的地方。

Coal has powered our past, but we must be honest about its role in our future.

"Hope is a fragile thing, but it is also the most powerful force we have."

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.

The closer one comes to the truth, the further one gets from the facts.