No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.
生活中最大的幸福是确信我们被爱；被爱是因为我们自己，或者更确切地说，尽管我们自己。
为了成为一名好老师，教育者必须是一位心理学家。
We don't make products to show off technology, but to solve real problems.