"Everyone wants to be happy and nobody wants to feel pain. but you can't make rainbows without any rain."~Unknown
"Make the pain of your past fuel the power of your future."~unknown
If it's going to stick around, then make that pain earn it's right to have a place in your life by helping you reach your goals.
"We have to learn to be our own best friends because we fall too easily into the trap of being our own worst enemies."~Roderick Thorp
"Obstacles don't have to stop you. If you run into a wall, don't turn around and give up. Figure out how to climb it, go through it, or work around it."~Michael Jordan
"On the mountains of truth, you can never climb in vain; either you reach a point higher up today, or you will be training your powers so that you will be able to climb higher tomorrow."~Friedrich Wilhelm Nietzsche