speak of the devil, and he shall appear
(speak|talk) of the devil and he is (sure|bound) to appear
talk of the devil and he'll be sure to appear
talk of the devil, and he'll either come or send

āχāĻ‚āϰ⧇āϜāĻŋāϤ⧇ "speak of the devil, and he shall appear"āĻāϰ āϏāĻ‚āĻœā§āĻžāĻž āĻ“ āĻ…āĻ°ā§āĻĨ

speak of the devil, and he shall appear
01

used to acknowledge the arrival of someone who was being discussed, suggesting that talking about someone who is absent can attract their attention or presence unexpectedly

Proverb
āωāĻĻāĻžāĻšāϰāĻŖ
John was discussing his former boss when he walked into the room, and someone joked, " Speak of the devil, and he shall appear! "
LanGeek
āĻ…ā§āϝāĻžāĻĒ āĻĄāĻžāωāύāϞ⧋āĻĄ āĻ•āϰ⧁āύ