"When you are on top of the world, that is but a fleeting moment, things change, always remember, this too shall pass. When you are in the pits, all nights are followed by day, at your lowest moments remember also, this too shall pass." Stay humble, and take one day at a time.
A recent Reddit thread compiled the perfect list of songs that say, in one way or another, that everything will be OK. This playlist will make you smile and remind you that whatever is going on, it too shall pass.