I think you have an obligation to be an optimist. Because if you're not, nothing will change.
Sentiment: NEGATIVE
I don't know that I'd call myself an optimist.
I'm an optimist. I'm hopeful.
You have to be an optimist, right? You have to be critical, then you have to be an optimist. Or else you're really stupid.
I am an optimist. It does not seem too much use being anything else.
I'm an optimist.
By nature, I am not an optimist, though I try to act as if I am.
I'm an optimist about other people. I'm not an optimist about myself.
I'm an optimist by nature.
I'm a serious optimist. I come from a country where you have little to be hopeful for, and so you have to always be an optimist.
I used to be an optimist, but now I know that nothing is going to turn out as I expect.