Romans 10 : 6

6 But the righteousness which is of faith says this, “Don’t say in your heart, ‘Who will ascend into heaven?’ (that is, to bring Christ down);
 6 η δε εκ πιστεως δικαιοσυνη ουτως λεγει μη ειπης εν τη καρδια σου τις αναβησεται εις τον ουρανον τουτ εστιν χριστον καταγαγειν

English from the World English Bible (WEB), Greek text from the Westcott-Hort (1881) with NA27/USB4 variants, both from the Sword Library through its Diatheke interface.