产生好结果的人会自我感觉良好。
质量从来不是偶然的;它始终是智慧努力的结果。
The magical number seven, plus or minus two: some limits on our capacity for processing information.
神奇的数字七,加减二:我们信息处理能力的一些限制。
The beauty of computer science is that it allows us to create worlds within worlds, limited only by our imagination.
The true value of a forest is measured not just in board feet of timber, but in the lives it sustains and the ecosystems it supports.
解决全球饥饿的关键不仅是提高产量,还要改善营养质量。
绝望会加倍力量。