质量是免费的。它不是礼物,但它是免费的。花钱的是那些不质量的东西——所有那些没有第一次就把工作做好的行为。
语言是强大的,它们既能创造,也能毁灭。
The purpose of psychology is to understand how we cope with the world.
The essence of computation is not just in the manipulation of symbols, but in the profound understanding of what those manipulations represent.