KJV : Not <3361> rendering <591> (5723) evil <2556> for <473> evil <2556>, or <2228> railing <3059> for <473> railing <3059>: but <1161> contrariwise <5121> blessing <2129>; knowing <1492> (5761) that <3754> ye are <2564> (0) thereunto <1519> <5124> called <2564> (5681), that <2443> ye should inherit <2816> (5661) a blessing <2127> (5723).

---

NASB : not returning evil for evil or insult for insult, but giving a blessing instead; for you were called for the very purpose that you might inherit a blessing.

---

NASB# : not returning<591> evil<2556> for evil<2556> or<2228> insult<3059> for insult<3059>, but giving<2127> a blessing<2127> instead<5121>; for you were called<2564> for the very<3778> purpose that you might inherit<2816> a blessing<2129>.