Make no mistake about it: Computers process numbers - not symbols. We measure our understanding (and control) by the extent to which we can arithmetize an activity.

我不关心股票的价格，我关心公司的价值。

Mental processes are biological tools for survival.

If God intended everybody to be the same, he’d have given us all braces on our legs.

在被记录之前，什么都没有真正发生过。