1 Thessalonians 2:6-7

2:6 nor to seek glory from people, either from you or from others, 2:7 although we could have imposed our weight as apostles of Christ; instead we became little children among you. Like a nursing mother caring for her own children,

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.