1 Corinthians 14:16
Else if thou bless with the spirit (epei ean euloghv en pneumati). Third class condition. He means that, if one is praying and praising God (I Corinthians 10:16) in an ecstatic prayer, the one who does not understand the ecstasy will be at a loss when to say "amen" at the close of the prayer. In the synagogues the Jews used responsive amens at the close of prayers (Nehemiah 5:13; Nehemiah 8:6; I Chronicles 16:36; Psalms 106:48).
He that filleth the place of the unlearned (o anaplhrwn ton topon tou idiwtou). Not a special part of the room, but the position of the idiwtou (from idiov, one's own), common from Herodotus for private person (Acts 4:13), unskilled (II Corinthians 11:6), uninitiated (unlearned) in the gift of tongues as here and verses I Corinthians 14:23 f.
At thy giving of thanks (epi th sh euxaristiai). Just the prayer, not the Eucharist or the Lord's Supper, as is plain from verse I Corinthians 14:17.
