A gentleman is outstanding in talent and skill, and does not show off everywhere. But to show your talents or skills when necessary.
Confucius said, "A gentleman talks but doesn't do it." -"The Analects of Confucius, Establishing Man"
Confucius said, "A gentleman is cautious in words, but quick in deeds."
Modest and sincere people will achieve great things, and people with the heart of the world will achieve great things.
Only modest and prudent people can become great weapons of the country, and ambitious people can achieve great achievements.