We were just talking about Mark—speak of the devil and he shall appear—when he suddenly walked in.

After the scandal, townspeople nodded sadly and muttered that a man is known by the company he keeps.

Even after he apologized, I couldn't forget how he had betrayed me, and as my mother warned, he that mischief hatches, mischief catches.

While everyone mocks his slow progress, he who laughs last laughs hardest when his invention revolutionizes the industry.

Even after his critics dismissed him for years, he who laughs last laughs best when his startup's breakthrough made him a billionaire.

When the charity gala's sponsors couldn't agree on the playlist, the organizer shrugged and said he who pays the piper calls the tune, so the sponsors picked the band.

At the office lunch, when a suspicious smell spread and someone pointed fingers, I shrugged and muttered, he who said the rhyme did the crime, to tease the likely culprit.

When he spread those lies to ruin her reputation, people remembered the proverb he who digs a pit for others falls in himself, and they turned away from him.

When tensions rose during the debate, one elder reminded the crowd, "let he who is without sin cast the first stone," hoping to calm tempers.