Tchuits
I'm relying on you to fail again, @MrFreeman. Just as I relied on you at Black Mesa.
Dr. Wallace
Shut up, man @gman
Alyx
Run man! Run!
Random Scientist
...
Gordon Freeman
Rise and shine, @MrFreeman
GMan
The right man in the wrong place can make all the difference in the world.
GMan
Anyone wants cake?
GLaDOS
I know I know nothing
All-Knowing Vortigaunt