You have to know who you are to know who you're not. - Taylor Swift

"You have to know who you are to know who you're not."

Taylor Swift

Pop Country Singer American Born 1989 (age 37)

More from Taylor Swift

"No matter what happens in life, be good to people. Being good to people is a wonderful legacy to leave behind."

"Just be yourself, there is no one better."

"People haven't always been there for me, but music always has."

"Shake it off."