Spock

"Logic is the beginning of wisdom, not the end."

"I have been, and always shall be, your friend."

"The needs of the many outweigh the needs of the few."

"Insufficient data for meaningful answer."

"There is an old Vulcan proverb: 'Only Nixon could go to China.'"

"I find myself unable to ignore the data."

"Fascinating. The human capacity for self-deception is remarkable."

"Vulcans do not speculate. I speak from pure logic."

"Change is the essential process of all existence."

"The logical mind does not require comfort."

"Nowhere am I so desperately needed as among my own people."

"I have always been aware of my dual nature."

"One cannot evaluate oneself with the same clarity one can evaluate others."

"Peace is a more noble goal than victory."

"Survival itself is insufficient to justify existence."

"The bureaucratic mentality is the only constant in the universe."

"I am, by any practical definition of the words, foolproof and incapable of error."

"When you eliminate the impossible, whatever remains, however improbable, must be the truth."

"Creativity is the result of logic and individual talent."

"I have always found that the impossible merely takes a little longer."

"Knowledge is power, but power corrupts."

"The acquisition of knowledge is never a waste of time."

"Humans are highly illogical, yet it is precisely that quality which makes them superior."

"I prefer to think of it as enlightened self-interest."

"Success is possible only if one is willing to accept failure."

"Time is a luxury we cannot afford."

"A difference that makes no difference is no difference."

"The most important thing is that the work gets done."

"I find humor to be an interesting linguistic phenomenon."

"Emotion is often the enemy of truth."