最有效的发展干预措施往往是最简单的。
The most effective development interventions are often the simplest ones.
机器并未将人类与自然的重大问题隔绝,而是让人更深入地卷入其中。
If you want something you've never had, you must be willing to do something you've never done.
Think wrongly, if you please, but in all cases think for yourself.
我不是老师,我是学生。
Will you follow dogma, or will you be original?