NET
15 “Woe to you, experts in the law and you Pharisees, hypocrites! You cross land and sea to make one convert, and when you get one, you make him twice as much a child of hell as yourselves!
Darby
15 Woe to you, scribes and Pharisees, hypocrites, for ye compass the sea and the dry [land] to make one proselyte, and when he is become [such], ye make him twofold more [the] son of hell than yourselves.
KJV
15 “Woe unto you, scribes and Pharisees, hypocrites! for ye compass sea and land to make one proselyte, and when he is made, ye make him twofold more the child of hell than yourselves.”