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Science is not just a collection of facts; it is a way of thinking.

與孩子們在一起，靈魂得到治愈。

Rebuilding my career at fifty wasn’t easy—but nothing worthwhile ever is.

最個人的故事往往是最普遍的。

I love man as my fellow; but his scepter, real, or usurped, extends not to me, unless the reason of an individual demands my homage.

悲觀導致軟弱，樂觀帶來力量。