From here, I will sketch my own ideas about psychological egoism before going to the of Feinberg’s objections.
Psychological egoism merely says that we, as human beings, always do what is initially better for us. Actually, it means that we never act the way out of our best interest or what we are convinced to be so. The most controversial item of defending psychological egoism is the following: even though people can find pleasing to do what they do, can we state that these people are motivated only by the pleasure they get doing what they do?
Nothingstanding to the complaint that psychological egoists are able to make any fact fit their theory, I am sure that the theory of psychological egoism itself can be proven in practice. And the proof is hidden in the single question, “Why?”
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