You will find what you seek. This can mean many things. If you seek out success long enough, then success is what you will find. If you look for the positives in a situation or person, then the positives are what you will see.
This is the key to a happy fulfilled life, and this is can also be the key to your demise.
It is all about your mindset. If you truly want to be happy and carefree, then follow your heart. It will show you the path to whatever it is you seek.