The Basis of Morality by Part 2 Chapter 6 Page 16

And these actions are — all deeds of justice and loving-kindness! It will be seen that this monstrous assumption, to be refuted, needed only to be reduced to its real meaning, which was concealed through the word “interest” being trifled with. Meanwhile Kant celebrates (p. 74 sqq.; R., p. 62) the triumph of his Autonomy of the Will by setting up a moral Utopia called the Kingdom of Ends, which is peopled with nothing but rational beings in abstracto. These, one and all, are always willing, without willing any actual thing (i.e., without interest): the only thing that they will is that they may all perpetually will in accordance with one maxim (i.e., Autonomy). Difficile est satiram non scribere (it is difficult to refrain from writing a satire).

But there is something else