"We’re human beings, with the blood of a million savage years on our hands. But we can stop it. We can admit that we’re killers … but we’re not going to kill today. That’s all it takes!
Knowing that we’re not going to kill today." *
-- Captain James T. Kirk
...And, as they say in recovery, tomorrow's not looking too likely either.
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*We might, however, make grown men wear rubber galoshes on their heads.
[Quote and photo from Star Trek episode 1.23, "A Taste of Armageddon" (1967). Screencap from TrekCore.com)