"Vulcans believe peace should not depend on force." -- Amanda, "Journey to Babel", stardate 3842.3

"Oh, that sound of male ego. You travel halfway across the galaxy and it's still the same song." -- Eve McHuron, "Mudd's Women", stardate 1330.1

"It is more rational to sacrifice one life than six." -- Spock, "The Galileo Seven", stardate 2822.3

"Totally illogical, there was no chance." -- Spock, "The Galileo Seven", stardate 2822.3

"Without facts, the decision cannot be made logically. You must rely on your human intuition." -- Spock, "Assignment: Earth", stardate unknown

"Insufficient facts always invite danger." -- Spock, "Space Seed", stardate 3141.9

"Violence in reality is quite different from theory." -- Spock, "The Cloud Minders", stardate 5818.4

"Men of peace usually are [brave]." -- Spock, "The Savage Curtain", stardate 5906.5

"Madness has no purpose. Or reason. But it may have a goal." -- Spock, "The Alternative Factor", stardate 3088.7

"We do not colonize. We conquer. We rule. There is no other way for us." -- Rojan, "By Any Other Name", stardate 4657.5

"One does not thank logic." -- Sarek, "Journey to Babel", stardate 3842.4

"It would seem that evil retreats when forcibly confronted." -- Yarnek of Excalbia, "The Savage Curtain", stardate 5906.5

"Murder is contrary to the laws of man and God." -- M-5 Computer, "The Ultimate Computer", stardate 4731.3

"When one has been angry for a very long time, one gets used to it. And it becomes comfortable, like... like old leather. And finally, it becomes so familiar that one can't ever remember feeling any other way." -- Captain Jean-Luc Picard, "The Drumhead", stardate 44765.2

"If some day we are defeated, well, war has its fortunes, good and bad." -- Commander Kor, "Errand of Mercy", stardate 3201.7

"Suffocating together ... would create heroic camaraderie." -- Khan Noonian Singh, "Space Seed", stardate 3142.8

"There are certain things men must do to remain men." -- Kirk, "The Ultimate Computer", stardate 4929.4

"What terrible way to die." "There are no good ways." -- Sulu and Kirk, "That Which Survives", stardate unknown