I think he's trying to say that those are traits Lispen shouldn't have. He expects better from Lispen
It could be one of 2 things:
1. Blow is being sarcastic, and saying "Of course you aren't selfish like these humans".
2. Blow is saying this is what makes humans unique, because they can be all this, but still be goodhearted.
With the sentences being a choppy mess, its hard to tell, but nonetheless, at least we can read this wonderful chapter