释义：君子在面对挫折、困难的时候，应该反躬自问，修养品德。蹇（jiǎn），多指行动迟缓、困苦、不顺利的意思。

I don't mind being a symbol but I don't want to become a monument. There's a difference.

The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.

体验越强烈，表达就越不清晰。

科学进步是以一次次的葬礼为代价的。