Quotes from Anthony Daniels movies and TV shows

C-3PO: Taking care of younglings is just not in my programming.

Han Solo: It's not wise to upset a Wookiee.
C-3PO: But sir, no one worries about upsetting a droid.
Han Solo: That's 'cause a droid don't pull people's arms out of their sockets when they lose, Wookiees are known to do that.

C-3PO: We seem to be made to suffer. It's our lot in life.