The poet is not a liar because he's not talking about anything that's verifiable or falsifiable.
诗人不是骗子，因为他说的不是可以证实或证伪的东西。
2
This is not a romantic notion but verifiable fact.
这不是一个不切实际的念头，而是一个有依据的事实。
《柯林斯英汉双解大词典》
3
It helps, of course, if your degrees can act as confirmation of the skills you're trying to sell, but clearly if you have developed a verifiable skill in a hot area, you'll find work.