A few quotes about being a true friend:

"A real friend is one who walks in when the rest of the world walks out." - Walter Winchell

"A true friend is someone who is there for you when they'd rather be anywhere else." - Len Wein"

A true friend is someone who sees the pain in your eyes while everyone else believes the smile on your face." - Unknown"

A friend is someone who knows all about you and still loves you." - Elbert Hubbard"

True friendship is when two friends can walk in opposite directions, yet remain side by side." - Unknown

"Friendship is born at that moment when one person says to another, 'What! You too? I thought I was the only one.'" - C.S. Lewis

"A true friend is the greatest of all blessings and the one that we take the least care of all to acquire." - François de La Rochefoucauld

"A friend is one that knows you as you are, understands where you have been, accepts what you have become, and still, gently allows you to grow." - William Shakespeare

"A true friend is not angry when you insult them. They are hurt." - Sarcastic Charm

"A true friend is someone who listens, understands, and never judges you no matter what." - Unknown