The mind is nothing but the sum total of human experience considered from the standpoint of dependence upon the experiencing individual.
数学让我们看到支配周围世界的隐藏结构。
Laugh, and the world laughs with you; weep, and you weep alone.
我们不做垃圾产品。我们不做大量产品。我们只做伟大的产品。