GOOD MEN WILL BE CAUTIOUS WHAT THEY SAY
EPHESIANS 4:29 Do not let any unwholesome talk come out of your mouths, but only what is helpful for building others up according to their needs, that it may benefit those who listen.
ELLICOTT'S COMMENTARY “the building up of the need”—that is, the supplying by suggestion of good the peculiar “need” or defect of the hearer’s spiritual state.
The corrupt word is forbidden, not because it defiles the speaker’s own soul, and is an offence in the pure eyes of God, but because it is a sin against others, pulling down instead of building them up, and aggravating, instead of supplying, their moral defects. Like the falsehood, and wrath, and dishonesty, forbidden above, it sins against the unity of all in God.
MATTHEW HENRY'S COMMENTARY Filthy words proceed from corruption in the speaker, and they corrupt the minds and manners of those who hear them: Christians should beware of all such discourse. It is the duty of Christians to seek, by the blessing of God, to bring persons to think seriously, and to encourage and warn believers by their conversation. Be ye kind one to another. This sets forth the principle of love in the heart, and the outward expression of it, in a humble, courteous behaviour.
MATTHEW POOLE'S COMMENTARY Let no corrupt communication; unprofitable, unsavoury, not seasoned with the salt of prudence.
GILL'S EXPOSITION Good men will be cautious what they say, otherwise their religion is in vain; and conscious of their own weakness, they will pray to God to set a watch before their mouth, and to keep the door of their lips, and not suffer anything to come out.