"The joy of discovery is certainly the liveliest that the mind of man can ever feel."
"Every saint has a past, and every sinner has a future."
We must think beyond today’s technology to meet tomorrow’s energy demands.
过去是一个异国他乡；他们做事的方式不同。
做自己的自由是只有你自己才能给予自己的礼物。但一旦你做到了，没有人能把它夺走。