Foreshadowing

A sign, saying, or image that anticipates, sometimes only to those who reread, something that will happen later in the work.

In The Master and Margarita

Yes, man is mortal, but that would still be only half the misfortune. The bad part is that sometimes he is mortal suddenly, and that is where the danger lies! And generally he cannot even say what he will do this afternoon.

The claim that a man can be "mortal suddenly" and cannot even say "what he will do this afternoon" foreshadows Berlioz's sudden death, which comes shortly after, that same evening, when he slips on the oil and dies before the meeting scheduled for that night.

Part One, Chapter 1: Never talk to strangers, The foreigner (Woland, still unnamed)

They're going to cut off your head!

Part One, Chapter 1: Never talk to strangers, The foreigner (Woland, still unnamed)

Still, they are going to kill him today [...] and I tell you: I sense it! My intuition has never deceived me

Part Two, Chapter 25: How the procurator tried to save Judas of Kerioth, Pontius Pilate