Design is not just what it looks like and feels like. Design is how it works.
 The last time I was intimidated was when I was 6 years old in karate class.
The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.
当我们既倾听科学家又倾听农民时,真正的进步才会发生。