If you think of quotes from the classic Star Trek, one of the first few would be ‘I’m a doctor, not a …’. These were uttered brilliantly by DeForest Kelley as Dr. Leonard McCoy in the series, and have become a standard line in later series entries. You heard it in Deep Space 9, Voyager and even the Enterprise prequel – but ironically never from Dr. Crusher on The Next Generation.
Anyway, here is a great video showing a ton of these lines!
If you are interested, there is a great list of sayings from Star Trek fan site ‘Memory Alpha’.
Source: Neatorama