Here are some soul sister quotes I found for you:

- "Sisters are like stars, always shining brightly in our lives."
- "A sister is a friend for life, a soul sister through every strife."
- "In the garden of life, a sister is the most beautiful flower."
- "To have a soul sister like you who hears the thoughts I do not utter, and understands the emotions I don’t display, is a blessing for which I am truly grateful!"
- "A soul sister is more than just a normal sister. We are bound more than by just blood. We are bound by soul, from this life to the other and beyond. I love you, my dearest soul sister."

I hope you find these quotes helpful! Let me know if there's anything else I can help you with.