Well-spoken

Definitions: (1) able to communicate with grace, kindness, or propriety; articulate; (2) civil; courteous; (3) having the ability to converse with ease; quick-minded

Proverb: The great man is not he who takes a city or overthrows a nation, but rather he who subdues his own tongue.

Quotes:
• Good English, well spoken and well written, will open more doors than a college degree… Bad English will slam doors you don’t even know exist. — William Raspberry (1935-2012) American syndicated columnist
• The ideals which have lighted my way, and time after time given me new courage to face life cheerfully, have been kindness, beauty, and goodness. — Albert Einstein (1879-1955) German-born theoretical physicist

Comment: It can often be a greater kindness not to speak.