The cup is half Alien
From Gnomon Chronicles
Optimist: The cup is half full
Pessimist: The cup is half empty
Dallas: [looks at cup being dissolved by alien's body fluid] I haven't seen anything like that except, uh, molecular acid.
Optimist: The cup is half full
Pessimist: The cup is half empty
Dallas: [looks at cup being dissolved by alien's body fluid] I haven't seen anything like that except, uh, molecular acid.