Susan B. Levin

The debate over moral bioenhancement has incrementally intensified since 2008, when Persson and Savulescu, and Douglas wrote two separate articles on the reasons why enhancing human moral capabilities and sensitivity through technological means was ethically desirable. In this article, we offer a critique of how Persson and Savulescu theorize about the possibility of moral bioenhancement, including the problem of weakness of will, which they see as a motivational challenge. First, we offer a working definition of moral bioenhancement and underscore some of the challenges in determining whether moral bioenhancement, as conceptualized by Persson and Savulescu, falls into the category of enhancement or constitutes a type of therapeutic intervention. Second, we provide a critical analysis of the way Persson and Savulescu pathologize human behavior in relation to what they see as the main threat to the survival of the human species: weak moral motivation. Next, we critique the claim that the use of genetic manipulation and drug treatment will increase moral motivation. We argue that Persson and Savulescu mischaracterize the nature of human moral psychology because moral motivation includes affective and cognitive dimensions. The type of interventions they envision focus almost exclusively on the former. In the final two sections, we outline three main criticisms of moral bioenhancement and offer a more robust account of moral psychology and moral development than what Persson and Savulescu recommend, through the lens of Aristotle’s work on virtue ethics. Ultimately, we argue that what Persson and Savulescu, and Douglas consider as moral bioenhancement is a misnomer because they do not fully account for the complexity of moral agency.

To reassure those concerned about wholesale discontinuity between human existence and posthumanity, transhumanists assert shared ground with antiquity on vital challenges and aspirations. Because their claims reflect key misconceptions, there is no shared vision for transhumanists to invoke. Having exposed their misuses of Prometheus, Plato, and Aristotle, I show that not only do transhumanists and antiquity crucially diverge on our relation to ideals, contrast-dependent aspiration, and worthy endeavors but that illumining this divide exposes central weaknesses in transhumanist argumentation. What is more, antiquity’s handling of these topics suggests a way through the impasse in current enhancement debates about human “nature” and helps to resolve a tension within transhumanists’ accounts of what our best moments signify about the ontological requirements for real flourishing.

Near the climax of the ascent passage of the Symposium, Plato describes how the lover turns to gaze at the great sea of the beautiful and. While the phrase has been variously interpreted by commentators and translators, none has regarded it as particularly significant. In what follows we examine the contribution that the immediate context makes to the meaning of the phrase and take note of the link between the adjective ἄφθονος and two subsequent uses of φθον⋯ω, both with reference to Alcibiades. We conclude that in the two final scenes of the dialogue the repetition of ἄφθονος and φθον⋯ω has the same effect as the repetition of the well-studied adverb ⋯ξα⋯φνης. By virtue of these contextual associations, we suggest, the prepositional phrase acquires a new significance. Furthermore, on the interpretation developed here the dialogue's two final scenes encapsulate the view of the incompatibility of jealousy and philosophy that Plato sets forth more explicitly and at greater length in the Phaedrus and Republic.