what does it mean "People are weired to be selfish"

English as a Second Language English Vocabulary, Grammar and Idioms
1

what does it mean “People are weired to be selfish”

and is it a right expression?

please help me~~~

2

“People are wired to be selfish,” is a way of saying that selfishness is an inherent part of them, as if it were programmed into their “electrical circuits”. We often say someone is “wired” to act a certain way or to do a certain thing.

3

Thanks very much. It’s a perfect answer. You did a good job.
I have been always confused about it.
Thanks to you, it’s clear
Have a nice day