释义：贫穷和地位低下不是什么耻辱的事，但因为贫穷和地位低下而向他人谄媚奉承，乞求得到施舍，就真是耻辱。

"The past is always tense, the future perfect."

The most dangerous thing in the digital era is not making mistakes, but missing opportunities.

The most sustainable tree is the one that's still standing.

事理明白则心愈能清楚而专一，心能专一则事理愈能通达流畅。