Randomized evaluations can help us understand what works and what doesn't in development.
随机评估可以帮助我们了解发展中哪些措施有效,哪些无效。
The supernatural is the natural not yet understood.
"We write to give voice to the voiceless."
What wisdom can you find that is greater than kindness?
The fact is that every writer creates his own precursors. His work modifies our conception of the past, as it will modify the future.
The real problem is not whether machines think but whether men do.