Oto idiom na ostatni lipcowy poniedziałek:
Speak of the devil = O wilku mowa
here they are / we were talking about you
(said when someone whose name has just been mentioned appears or is heard from)
Speak of the devil! We were talking about Tom and there he is.
(O wilku mowa! Rozmawialiśmy o Tomie, a ten się właśnie pojawił.)