“- Megatron: We were brothers once!
- Optimus Prime: Once.”
Frank Welker - Megatron
Peter Cullen - Optimus Prime

“Some had families waiting. For others, their only family would be the men they bled beside. There were no bands, no flags, no Honor Guards to welcome them home. They went to war because their country ordered them to. But in the end, they fought not for their country or their flag, they fought for each other.”

Barry Pepper - Joe Galloway

“- T-4 Medic Wade: Corporal, what's your book about?
- Corporal Upham: It's supposed to be about the bonds of brotherhood developed between soldiers during war.
- Private Caparzo: Brotherhood? What do you know about brotherhood?”
Giovanni Ribisi - T-4 Medic Wade
Jeremy Davies - Corporal Upham
Vin Diesel - Private Caparzo

“This is the why of battle. This is the brotherhood of men in arms. An unbreakable bond made stronger by the crucible of combat.”

Sullivan Stapleton - Themistokles

“- Xerxes: It isn't wise to stand against me. Imagine what horrible fate awaits my enemies when I would gladly kill any of my own men for victory.
- King Leonidas: And I would die for any one of mine.”
Rodrigo Santoro - Xerxes
Gerard Butler - King Leonidas