14:1-5 Prophesying, that is, explaining Scripture, is compared with speaking with tongues. This drew attention, more than the plain interpretation of Scripture; it gratified pride more, but promoted the purposes of Christian charity less; it would not equally do good to the souls of men. What cannot be understood, never can edify. No advantage can be reaped from the most excellent discourses, if delivered in language such as the hearers cannot speak or understand. Every ability or possession is valuable in proportion to its usefulness. Even fervent, spiritual affection must be governed by the exercise of the understanding, else men will disgrace the truths they profess to promote.
5. Translate, "Now I wish you all to speak with tongues (so far am I from thus speaking through having any objection to tongues), but rather IN ORDER THAT (as my ulterior and higher wish for you) ye should prophesy." Tongues must therefore mean languages, not ecstatic, unintelligible rhapsodie (as Neander fancied): for Paul could never "wish" for the latter in their behalf.
greater—because more useful.
except he interpret—the unknown tongue which he speaks, "that the Church may receive edifying (building up)."