我们都只是曾经存在的某种东西的回声。

Free vaccines are more valuable than expensive treatments, yet harder to promote.

东山再起总比挫折更强大。

Great things never come from comfort zones.

生活对智者是一场梦，对愚者是一场游戏，对富人是一场喜剧，对穷人是一场悲剧。