1 Thessalonians 2:10

2:10 You are witnesses, and so is God, as to how holy and righteous and blameless our conduct was toward you who believe.

1 Thessalonians 4:3

4:3 For this is God’s will: that you become holy, ¹  that you keep away from sexual immorality,

[4:3]  ¹ tn Or “your sanctification.”