If I'm writing, I'll say something metaphorical or approximate, whereas scientists are very precise.
Joyce Carol OatesScientist 1: Einstein WAS right! Team Leader: Einstein was PROBABLY one of them!
Close Encounters of the Third KindDr. Edward Morbius: ...No doctor, not even though I were the mad scientist of the tape thriller...
Forbidden PlanetWashington scientist: [on the news] Everything is being done that can be done.
Night of the Living Dead