That, yes, that
Sloppy thinking is not, no, not as good as good thinking, so far as thinking goes, but it’s often the same as saying, “I love you more than I love this thought,” and that, yes, that is good.
“Should be mine”
There is no necessary connection between these ideas: “That is good, true, and beautiful,” and “That should be mine.”
There is no necessary connection between these ideas: “That is good, true, and beautiful and could be mine,” and “That should be mine.”
There is no necessary connection between these ideas: “This is bad, false, and ugly,” and “This should not be mine.”
There is no necessary connection between these ideas: “This is bad, false, and ugly and could be not-mine,” and “This should not be mine.”