Kind of. You can love life but not know what's really going on behind the scenes. Even if you find life wonderful there is always dark bits that you can ignore, not know about or be forced to face. You could be the happiest person on Earth then it could change in an instant. We don't really decide the pathways of our lives, the government and power plans it out for us. I'd say that Life is a line. You can bend it a little but eventually it's going to break.
...unless you have a dibilitating mental disorder, you've been kidnapped and kept in a basement for 11 years, your family and friends die infront of you from disease and hunger, among other things, I can see this quote being somewhat true.
I agree with this. So much. I noticed that everyone I know seems to be seeing different things, feeling different things, hearing different things, and generally looking at life in such different ways, that we could be living in alternate realities. Life is definitely what you make of it…and I'm going to make of it something awesome.