It's time to celebrate your sister! Sisters Day is coming up on August 4. I am the big sister in my family, so of course that means I was practically perfect in every way growing up. Okay, so I could be a little bossy sometimes. But I only had my little brother and sisters' best interests at heart (at least most of the time). Do you have a sister? Take a look at these lovely quotes about sisters. Share your favorites with your ...