伟大的工程是无形的——它只是无缝地运作。
Great engineering is invisible—it just works seamlessly.
人都知道说话可以显示自己的优点，但不知说话谨慎可以培养德性；人都知道饮食可以有益生命，却不知节制饮食可以养生。
In everything， there is a limit beyond which we cannot go.
I write in blood because I remember what it felt like to bleed.