Dr. Leonard McCoy

"Nature's wisdom surpasses all theory."

"I'm a doctor, not a—well, you know."

"I'm a doctor, not a miracle worker!"

"Life is too short to spend it being miserable."

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

"I practice medicine, not magic."

"You can't study creativity, you either have it or you don't."

"There's no place like home, and no time like the present."

"A man dies when he refuses to take chances."

"The human condition demands variety and challenge."

"I'm not interested in being anyone's superior."

"Compassion is what makes us human."

"You can't heal what you don't understand."

"Love is a wonderful thing, but it's also terrifying."

"Success means nothing if you sacrifice your principles."

"Fear is the greatest enemy of rational thought."

"A true friendship can survive any distance."

"The mind is more powerful than any weapon."

"Truth may be uncomfortable, but it's always necessary."

"Never underestimate the strength of the human spirit."

"Change is the only constant in the universe."

"Education opens doors that fear keeps locked."

"Peace comes from understanding, not from ignorance."

"Nature teaches us lessons we've forgotten."

"Art is the expression of the soul."

"Hope is what separates us from despair."

"Music can heal what medicine cannot."

"Faith in humanity is never misplaced when you look hard enough."

"A leader must first understand himself."

"Hard work is the price of achievement."