Star Trek: The Wrath of Khan1982

McCoy:
Dear Lord. You think we're intelligent enough to... suppose... what if this thing were used where life already exists?

Spock:
It would destroy such life in favor of its new matrix.

McCoy:
"Its new matrix"? Do you have any idea what you're saying?

Spock:
I was not attempting to evaluate its moral implications, Doctor. As a matter of cosmic history, it has always been easier to destroy than to create.

McCoy:
Not anymore; now we can do both at the same time. According to myth, the Earth was created in 6 days. Now, watch out. Here comes Genesis. We'll do it for you in 6 minutes.

Spock:
Really, Dr. McCoy. You must learn to govern your passions; they will be your undoing. Logic suggests...

McCoy:
Logic? My God, the man's talking about logic; we're talking about universal armageddon.