'Saith' in the Bible

There is a thing of which one saith: 'See this, it is new!' already it hath been in the ages that were before us!

There is one, and there is not a second; even son or brother he hath not, and there is no end to all his labour! His eye also is not satisfied with riches, and he saith not, 'For whom am I labouring and bereaving my soul of good?' This also is vanity, it is a sad travail.

Where the word of a king is power is, and who saith to him, 'What dost thou?'