I and the lad. This is polite Hebrew, while "the lad and I" would be polite English.
yonder. Hebrew. as far as there (as though pointing).
come again. This was proof of Abraham's faith. 1st pers. plural, "We will come again. "
Related Commentaries of Genesis 22:5
Genesis 22:5
5 And Abraham said unto his young men, Abide ye here with the ass; and I and the lad will go yonder and worship, and come again to you.