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 5:4-5

5:4 But you, brothers and sisters, are not in the darkness for the day to overtake you like a thief would. 5:5 For you all are sons of the light and sons of the day. We are not of the night nor of the darkness.