Short & Sweet:
* Friends by chance, best friends by choice.
* Friends are the family you choose.
* A friend is a gift you give yourself.
* Friendship: The best therapy.
* Friends make life sweeter.
Witty & Playful:
* We're not friends, we're a squad.
* Friends are like bras: supportive, close to your heart, and always there for you.
* Friendship is like a good bra: it lifts you up.
* Friendship is a rare gem.
* Friends: The people who know your crazy, and still love you.
Meaningful & Inspiring:
* Friendship: a love that knows no bounds.
* Friends are the anchors in our lives.
* True friends are forever.
* Friendship is a journey, not a destination.
* The best kind of love is friendship.
Unique & Creative:
* Friends: The people who make life worth living.
* Friendship: A symphony of shared experiences.
* Friendship is like a rainbow: beautiful, bright, and fleeting.
* Friends are the sunshine in our lives.
* Friendship: A tapestry woven with laughter, tears, and memories.
Bonus:
* You can always count on your friends, especially when you're counting sheep.
Ultimately, the best phrase for you will depend on your personal style and the specific context in which you are using it.