Only know *

"Well you only need the light when it's burning low

Only miss the sun when it starts to snow

Only know you've been high when you're feeling low

Only hate the road when you’re missin' home

Only know… when you let it go…

Staring at the bottom of your glass

Hoping one day you'll make a dream last

But dreams come slow and they go so fast"

                              - Passenger (on the flight of life)