1 Corinthians 7:18 - Ellicott's Commentary On The Whole Bible

Is any man called being circumcised? — Better, Was any one called having been circumcised? The previous general rule is now illustrated by, and applied to, two conditions of life — CIRCUMCISION (1 Corinthians 7:18-20) and SLAVERY (1 Corinthians 7:20-24). If any man was converted after having been circumcised, he was not, as some over-zealous Christians might have been anxious to do, to remove every trace of his external connection with Judaism (Galatians 5:2).