Hound: Got some bad news Cade, I'm out of ammo, out of ideas.
Joshua Joyce: Oh my god! How do you say 'get the fuck out of the way' in Chinese!?
Cade Yeager: Are we safer on our own, or are we safer with them?
Cade Yeager: Will we see you again?
Optimus Prime: Cade Yeager, I do not know. But when you look up to the stars, think of them as my soul.
Cade Yeager: These alien guns kick ass!
Optimus Prime: Legendary warriors - the powers that created us, now want us all extinguished. We must join forces or forever be their slaves. So today you stand with us; or you stand against me!
Lockdown: You see my face, your life is done!
Optimus Prime: After all we have done, humans are hunting us. But I fear we are all targets now.
Optimus Prime: This is not war... It's human extinction!
Optimus Prime: Only together can we survive; let me lead you.
Joshua Joyce: We can make you now. Don't you get it? We don't need you anymore.
Optimus Prime: Autobots, we're going to prove who we are and why we're here.
Crosshairs: You just wanna die for the guy, that's leadership or brainwashing or something.
Drift: No, that's Optimus Prime.
Joshua: I can't believe I'm putting my life in your hands!
Cade Yeager: You want the alien gun? Take it!
Joshua: No, I don't want the alien gun!
Answer: Optimus was being dramatic when he said it contained their memories. Transformers don't carry their memories in their spark any more than humans carry theirs in their soul.
MasterOfAll