No president who performs his duties faithfully and conscientiously can have any leisure.

Pain is not always physical; sometimes the deepest wounds are the ones we cannot see.

我是那些认为科学具有巨大美的人之一。

当有人对你讨厌、粗鲁、憎恨或刻薄时，假设他们是病人。这使你更容易对他们产生共情，从而缓和冲突。

我的艺术是一个永无止境的故事。