Pictures of the dead

Recalled something farnie aka diao aka three sweats on your temporal side......

During behaviour modification lecture last week, the lecturer asked:

Lecturer: Will you all keep my dead grandfather photo/picture in your wallet?
Us: No. Who will keep someone not related to us in our wallets?
Lecturer: So, that means you all wouldn't keep someone not related to you all in your wallet?
Us: Yah.
Lecturer: Can someone show me your wallet?

One of the students took out her wallet and passed to the lecturer.
Lecturer opened the wallet and took out something from the wallet and the conversation continued.....

Lecturer (holding on to a $2 note) : So, this doesn't belongs to you, does it? Cos you all don't keep dead person's picture who is not related to you in your wallet.... Why you all keep his (Our 1st President) picture but not my grandfather's?
Us: Because it has a value......