天亮了，这种疯狂的激情消失了，他犯下的可怖罪行的回忆却回来了——比以前更加可怕。在绝望中，他决定还是回伦敦去。
The most successful companies don't just sell products—they solve problems.
The key to credible causal inference is not just the method, but how well the method fits the question at hand.
When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become.