【讲解】：有志之士和仁人，不会贪生怕死而损害仁，只会勇于牺牲来成全仁。

Immigration can have positive effects on innovation and productivity.

People haven't always been there for me, but music always has.

The most radical thing you can do is to be yourself.

The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome given the alternatives.

我们在Facebook上试图做的事情，就是帮助人们更有效地连接和沟通。

Success in trading comes from continuous learning and adaptation.

写作没有规则，只有工具。