“The enemy of my enemy is probably my enemy.”
“It is easier to kill a coward than a true warrior, but it is harder to clean the smell off your blade afterwards.”
“The wind does not respect a fool.” (From STNG; moral of Kahless’ fable about a man who was too proud to take shelter from a comng storm, and was found dead the next morning.)
“Only the brave deserve the fair.” (Terran romantic proverb.)
“Only the brave deserve the fierce.” (Klingon romantic proverb.)