Security is not a feature, it's a foundation.

Innovation comes from saying no to a thousand things to focus on the few that really matter.

挑战在于让不可见变得可见。

你看不见你自己，你所看见的只是你的影子。

解释：所谓美的东西，无论在上下、内外还是远近，都不会产生危害，所以才叫做美。