This sentence comes from Zuo Zongtang.

The general meaning is: Life will always encounter difficulties and tribulations, and those who can persevere through them are considered true men;

Talent will inevitably be jealous of others. If no one is jealous, then It can only mean that he is a mediocre person.

This has the same meaning as Tian Juyingcai.

We should not give up easily when facing difficulties and setbacks. Only by being able to withstand hardships can we achieve a wonderful life.

As for mediocrity and idiots, others will not be jealous. Others are jealous, but it proves your excellence and excellence.