For... — This is the explanation of why such “puffing up” is absurd. Even if one possess some gift or power, he has not attained it by his own excellence or power; it is the free gift of God.
Related Commentaries of 1 Corinthians 4:7
1 Corinthians 4:7
7 For who makethc thee to differ from another? and what hast thou that thou didst not receive? now if thou didst receive it, why dost thou glory, as if thou hadst not received it?