KJV: And verily they that are of the sons of Levi, who receive the office of the priesthood, have a commandment to take tithes of the people according to the law, that is, of their brethren, though they come out of the loins of Abraham:
NASB: And those indeed of the sons of Levi who receive the priest's office have commandment in the Law to collect a tenth from the people, that is, from their brethren, although these are descended from Abraham.
KJV: For ye know how that afterward, when he would have inherited the blessing, he was rejected: for he found no place of repentance, though he sought it carefully with tears.
NASB: For you know that even afterwards, when he desired to inherit the blessing, he was rejected, for he found no place for repentance, though he sought for it with tears.
KJV: Wherefore I will not be negligent to put you always in remembrance of these things, though ye know them, and be established in the present truth.
NASB: Therefore, I will always be ready to remind you of these things, even though you already know them, and have been established in the truth which is present with you.