'Yesterday' in the Bible

And Moses saith unto Jehovah, 'O, my Lord, I am not a man of words, either yesterday, or before, or since Thy speaking unto Thy servant, for I am slow of mouth, and slow of tongue.'

And the officers of the children of Israel, which Pharaoh's taskmasters had set over them, were beaten, and demanded, Wherefore have ye not fulfilled your task in making brick both yesterday and to day, as heretofore?