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。

你需要耐心、自律和敏捷，才能承受损失和逆境而不发疯。

The most important tool in chemistry is not the flask or the spectrometer—it's the imagination.

Anyone who keeps the ability to see beauty never grows old.