Ephesians 1:13; Ephesians 4:21; Ephesians 4:25; Ephesians 6:14

13 In whom ye also trusted, after that ye heard the word of truth, the gospel of your salvation: in whom also after that ye believed , ye were sealed with that holy Spirit of promise,
21 If so be that ye have heard him, and have been taught by him, as the truth is in Jesus:
25 Wherefore putting away lying, speak every man truth with his neighbour: for we are members one of another.
14 Stand therefore, having your loins girt about with truth, and having on the breastplate of righteousness;