自由的代价是永恒的警惕。
The price of freedom is eternal vigilance.
沉默是词语找到其真正意义的空间。
有机体塑造心灵，正如心灵塑造行为。
石油和天然气在未来几十年仍将是能源结构的一部分，但我们必须尽可能清洁地生产它们。
I declare after all there is no enjoyment like reading! How much sooner one tires of any thing than of a book!
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.
