But when God, who set me apart from birth and called me by his grace, was pleased
NIV
But when He, Who had chosen and set me apart [even] before I was born and had called me by His grace (His undeserved favor and blessing), saw fit and was pleased [Isa. 49:1; Jer. 1:5.]AMP
But when it pleased God, who separated me from my mother's womb, and called me by his grace,
KJV
For you have heard of my previous way of life in Judaism, how intensely I persecuted the church of God and tried to destroy it.
NIV
You have heard of my earlier career and former manner of life in the Jewish religion (Judaism), how I persecuted and abused the church of God furiously and extensively, and [with fanatical zeal did my best] to make havoc of it and destroy it.
AMP
For ye have heard of my conversation in time past in the Jews' religion, how that beyond measure I persecuted the church of God, and wasted it:
KJV
As we have already said, so now I say again: If anybody is preaching to you a gospel other than what you accepted, let that person be under God's curse!
NIV
As we said before, so I now say again: If anyone is preaching to you a gospel different from or contrary to that which you received [from us], let him be accursed (anathema, devoted to destruction, doomed to eternal punishment)!
AMP
As we said before, so say I now again, if any man preach any other gospel unto you than that ye have received, let him be accursed.
KJV