Who said "Trust in your companion and in your instincts"?

This quote is attributed to Dr. John Watson.

Trust in your companion and in your instincts - Dr. John Watson

"Trust in your companion and in your instincts"

Dr. John Watson Courage

Character in The Hound of the Baskervilles

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"I am not a very good subject for a novelist."

"The greatest happiness the greatest number."

"We are not beaten yet."

"Justice, however delayed, is not denied."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."