look for

What you should look for isn't . what the screen tells you (it) is(n't) suspicious, Look for . not what's packaged and left . unattended, Look what's right (be)for(e) you, It's the sparrows' shallow hops . down narrow aisles, They stop and go . unafraid and even if unrewarded . (it) do(es)n't stop them, Follow where they go and know what s(cr)een(s) can('t) be trusted.