Also:
No cause therefore why the word translated should be denied to be the word, or forbidden to be current, notwithstanding that some imperfections and blemishes may be noted in the setting forth of it.
For what ever was perfect under the Sun, where Apostles or Apostolic men, that is, men endued with an extraordinary measure of God's spirit, and privileged with the privilege of infallibility, had not their hand?
So?
That was a humble statement made by humble men.
They didn't know that their's would be the last English translation God would use.
They did note, however that their translation would be attacked both Popish persons and certain brethren who reject every work not hammered out on their own anvil.