KJV: For he that speaketh in an unknown tongue speaketh not unto men, but unto God: for no man understandethhim; howbeit in the spirit he speaketh mysteries.
NASB: For one who speaks in a tongue does not speak to men but to God; for no one understands, but in his spirit he speaks mysteries.
KJV: For though I would desire to glory, I shall not be a fool; for I will say the truth: but now I forbear, lest any man should think of me above that which he seeth me to be, or that he heareth of me.
NASB: For if I do wish to boast I will not be foolish, for I will be speaking the truth; but I refrain from this, so that no one will credit me with more than he sees in me or hears from me.
KJV: In whom ye also trusted, after that ye heard the word of truth, the gospel of your salvation: in whom also after that ye believed, ye were sealed with that holy Spirit of promise,
NASB: In Him, you also, after listening to the message of truth, the gospel of your salvation-- having also believed, you were sealed in Him with the Holy Spirit of promise,