Neither let us tempt Christ, as some of them also tempted, and were destroyed of serpents. 10:9
Trivia: According to 1 Corinthians 11:4, what does a man do who prays or prophesies with his head covered?
Paul says that the other apostles traveled with their wives - including Peter. We know from Mark 1:30 that Peter had a wife, since Jesus cured his mother-in-law. Paul confirms Peter's marital status here.