International Standard Version and gentle when refuting opponents. After all, maybe God will allow them to repent and to come to a full knowledge of the truth,
American Standard Version in meekness correcting them that oppose themselves; if peradventure God may give them repentance unto the knowledge of the truth,
Young's Literal Translation in meekness instructing those opposing -- if perhaps God may give to them repentance to an acknowledging of the truth,