Children are the most honest critics; they will tell you exactly what they think.

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. And that, of course, causes great confusion.

Humans are allergic to change. They love to say, 'We've always done it this way.' I try to fight that. That's why I have a clock on my wall that runs counter-clockwise.

文章的最高境界，能够通达神明，穷尽天地之理，放之四海而皆准，流传百世而不衰。