程序最重要的属性是它是否实现了用户的意图。

The first fruit of this imagination - and the first lesson of the social science that embodies it - is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

The most effective debugging tool is still careful thought, coupled with judiciously placed print statements.

The future of food security lies beneath the waves.

解释：对别人没有恩德，却想有求于人，这是罪过。

If you're not failing every now and again, it's a sign you're not doing anything very innovative.