You have a point. / I couldn't have said it any better. / Those are famous words. / That's a quote right there! / That's a proverb right there! / That's a revelation!
Truer words have never been spoken. / Someone should quote you. / People could be quoting you.
Tell the truth, brother! / Tell the truth, sister!
1. A famous quote
quote =「引用」という意味ですが、
a famous quote = 有名、名の知れた引用
「名の知れた引用」→「名の知れた言葉」なので、名言という意味になります。
2. A word of wisdom
wisdom =「知恵」という意味なので、名言を意味することになります。