Lol, no it's quote from Freud. It's a simple sentence that underscores the mechanics of transference.
Thieves tend to be paranoid that someone is stealing from them. Bullies are suspect everyone else is likewise on the verge of violence. The unchaste think everyone is doing it. Etc etc.
In your case, you think everyone is being insincere because that kind of compassion is apparently alien to you.
Now, you're suggesting I am projecting because I lack the ability to feel compassion.
I cried when my pet died. Does that count?