How XCOM's Commander secured funding for the organization despite several countries trying to pull support:
I called dibs on the psionics.
Doctor Zakharov's initial findings regarding the "Flashlights:"
Zakharov: Until we have a better name for them, I would recommend we use the designator Flashlight for their platforms. History has shown us that no matter what silly name the men in the field come up with for the enemy, we invariably take their capabilities seriously.
Random XCOM trooper: When we get down there, I want to make one of those Flashlight heads into a hat.
The fact that one of Zakharov's infomorph research teammembers constantly shows up as a giant black cube because everyone's autocensoring his avatar.
Tevos and Aethyta's meeting. For context, the fact that they're talking without killing each other is a miracle in the first place.
Xelen, the most foul-mouthed, heavily-armed hanar cop you will ever meet.
(while shooting at a cyborg): This one finds it appropriate that your mother has sexual relations with elcor who possess unattractive pheromones.
(after driving said cyborg with More Dakka): The illegitimate offspring of diseased varren and krogan fecal matter may return. Prepare your weapons to reduce him to slag if he possesses insufficient intelligence or sufficient reproductive fortitude to attempt another attack.
(While massacring Replica with a vehicle-mounted plasma cannon) "Cayde, you should hurry!" Ellie transmitted cheerfully. "I have successfully distracted them with horrible, burning death!"
Cayde-6 installed upon the Pax's bridge the most important thing for the captain of any ship to have.
Sensors mounted in the platform detected his presence, and the air filters started to blow. The Exo struck a domineering pose, head thrown back and hands on his hips, and the cloak flared out and billowed dramatically. All he was missing was a keg of ale to put his foot on.
Lorik Qui'in stared at him for a moment, mandibles spread apart in the rough turian equivalent of "Are you shitting me."