Who said "The most powerful tool you have is your word."?

This quote is attributed to Oprah Winfrey.

The most powerful tool you have is your word. - Oprah Winfrey

"The most powerful tool you have is your word."

Oprah Winfrey Truth

Media Mogul American Born 1954 (age 72)

"Turn your wounds into wisdom."

"You get in life what you have the courage to ask for."

"The biggest adventure you can take is to live the life of your dreams."

"You are responsible for your life."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."