Yes, we know little (aside from the finiteness of the observable universe, which is known at a quantitative level). I am curious why then you say "so far, we're

Yes, we know little (aside from the finiteness of the observable universe, which is known at a quantitative level). I am curious why then you say "so far, we're pretty sure there is some life in the universe, but nothing else." I fear this may be anthropomorphic projection and wishful thinking.