The Lord is not slow in keeping his promise, as some understand slowness. Instead he is patient with you, not wanting anyone to perish, but everyone to come to repentance.
NIV
The Lord does not delay and is not tardy or slow about what He promises, according to some people's conception of slowness, but He is long-suffering (extraordinarily patient) toward you, not desiring that any should perish, but that all should turn to repentance.
AMP
The Lord is not slack concerning his promise, as some men count slackness; but is longsuffering to us-ward, not willing that any should perish, but that all should come to repentance.
KJV
Bear in mind that our Lord's patience means salvation, just as our dear brother Paul also wrote you with the wisdom that God gave him.
NIV
And consider that the long-suffering of our Lord [His slowness in avenging wrongs and judging the world] is salvation (that which is conducive to the soul's safety), even as our beloved brother Paul also wrote to you according to the spiritual insight given him
AMP
And account that the longsuffering of our Lord is salvation; even as our beloved brother Paul also according to the wisdom given unto him hath written unto you;
KJV
