How Nephi understood Isaiah

The third reason the writings of Isaiah provide such difficulty is his education. Isaiah was among the educated elite of his day. He was raised in the big city of Jerusalem and spent his entire life preparing to serve the Lord. He was aggressive in dealing with the skeptics of his day for he was a prophet in his own city and did not use diplomacy with his tongue:

The Lord…hath made my mouth like a sharp sword…and made me a polished shaft[1]. The Lord God hath given me the tongue of the learned, that I should know how to speak a word in season to him that is weary[2]. “