There are many quotes available about best friends going as far back as Aristotle who said "My best friend is the man who in wishing me well wishes it for my sake." Henry Ford wrote "My best friend is the one who brings out the best in me." Ashley Olson wrote of her sister, Mary-Kate, "She's always there for me when I need her; she's my best friend; she's just my everything."
If you are looking for a quote about a friendship that has lasted a lifetime, Jasmine Guinness wrote "I've known my best friend since I was a baby, and I don't know what I would do without her. She is always straight with me and can make me laugh hysterically." If your best friend is also your father, Tiger Woods wrote "My dad was my best friend and greatest role model. He was an amazing coach, mentor, soldier, husband and friend." If you are interested in a romantic quote about best friends and marriage, Jimmy Fallon said "I'd be nothing without my wife. She's the coolest. She's the greatest. She's the smartest. She's the funniest. I love her so much. She's like the--its like your best friend for the rest of your life."