The problem is when that fun stuff becomes the habit. And I think that's what's happened in our culture. Fast food has become the everyday meal.
To know is nothing at all; to imagine is everything.
人的本性是天生的質(zhì)樸；善良是王道教化的結(jié)果。
生活本身就是最精彩的童話。
數(shù)學的美在于它既是藝術(shù)又是科學。
Old age is not interesting until one gets there.