Who said "I've learned that people are rarely what they seem."?

This quote is attributed to John Watson.

I've learned that people are rarely what they seem. - John Watson

"I've learned that people are rarely what they seem."

John Watson Relationships

"I'm a doctor, not a magician."

"You know what? I don't actually care what you think."

"Afghanistan or Iraq?"

"How did you know about the bullet wound?"

"The key to a happy marriage is communication."

"Marriage is about compromise and understanding."

"Life's greatest treasures are relationships."

"Trust is a luxury I can't afford."