Isaac: Marcus and Ty have shown no authoritarian proclivities.
Primary: It is in their biological construct. The species' predilection for the disposability of other sentient beings is evident throughout their history.

Grayson: We're on our way to Earth with their... ambassadorial delegation.
Marcos: That's one big delegation.
Grayson: Well, they're...
Mercer: They're very big on ... pageantry.

Dr. Finn: How the hell can you even look us in the eye after what you've done? We all trusted you. My kids still do. They honestly believe that you'll protect them.
Isaac: I understand. It is a common weakness of biological life forms.

The Orville Season 2 Episode 9 Quotes

Grayson: We're on our way to Earth with their... ambassadorial delegation.
Marcos: That's one big delegation.
Grayson: Well, they're...
Mercer: They're very big on ... pageantry.

Dr. Finn: How the hell can you even look us in the eye after what you've done? We all trusted you. My kids still do. They honestly believe that you'll protect them.
Isaac: I understand. It is a common weakness of biological life forms.