The elder McCallums talk of not taking anything from anyone but giving freely and of their refusal to accept crop subsidies. Their circumvention of being rewarded for no service lies in direct opposition to the opinion expressed earlier by Pearson.
The older McCallums' philosophy emphasizes the value of giving without expectation of return, as seen in their refusal to accept crop subsidies. This perspective is at odds with Pearson's previous opinion, which is highlighted through their contrast.