The M5...

Kirk: "I'm curious, Doctor, why is it called the M5?"

Daystrom: "Well you see, M1 to M4 were not entirely successful. This one is. M5 is ready to take control of your ship."

Kirk: "Total control?"

Daystrom: "That is what it is designed for."

Kirk: "There are some things that Men have to do to remain Men, your computer takes that away."

Daystrom: "The computer can do your job ... One machine can do all those things that Men do now. Men can go on to do greater things..."

-ST: The ultimate computer