Who said "Logic is the beginning of wisdom, not the end."?

This quote is attributed to Spock.

Logic is the beginning of wisdom, not the end. - Spock

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

Spock Wisdom

"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'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."