Douay-Rheims 1899 American Edition
17 Now I beseech you, brethren, to mark them who make dissensions and offences contrary to the doctrine which you have learned, and avoid them.
18 For they that are such, serve not Christ our Lord, but their own belly; and by pleasing speeches and good words, seduce the hearts of the innocent.
19 For your obedience is published in every place. I rejoice therefore in you. But I would have you to be wise in good, and simple in evil.Read full chapter