15What then is it? I will pray with the spirit, and I will pray also with the understanding; I will sing psalms with the spirit, and I will sing psalms also with the understanding;
16since, if thou mayest bless with the spirit, he who is filling the place of the unlearned, how shall he say the Amen at thy giving of thanks, since what thou dost say he hath not known?
17for thou, indeed, dost give thanks well, but the other is not built up!
18I give thanks to my God -- more than you all with tongues speaking --
19but in an assembly I wish to speak five words through my understanding, that others also I may instruct, rather than myriads of words in an [unknown] tongue.
20Brethren, become not children in the understanding, but in the evil be ye babes, and in the understanding become ye perfect;
21in the law it hath been written, that, `With other tongues and with other lips I will speak to this people, and not even so will they hear Me, saith the Lord;`
