Can we reconcile our human experience with the cold, scientific reality of the universe?

Ideas & Philosophy · Published 3 October 2026 Swipe more like this →

In short: Wilfrid Sellars spent his career attempting to bridge the gap between our intuitive, everyday lives and the objective descriptions provided by natural science. He famously attacked the myth of the given, arguing that knowledge is not a passive reception of data, but a complex, social, and conceptual achievement.

Wilfrid Sellars, an influential American philosopher who lived from 1912 to 1989, sought a synoptic view of reality. He proposed that we live within two competing frameworks: the manifest image, which encompasses our subjective experiences, intentions, and moral accountability, and the scientific image, which describes the world through theoretical physics and causality. Sellars argued that while these images often conflict—such as when science reveals that solid objects are largely empty space—the scientific image must ultimately serve as the final arbiter for what exists in the world.

Central to his critique of traditional philosophy was the rejection of the myth of the given. Sellars challenged the Cartesian notion that we can possess immediate, indubitable knowledge of our own sense experiences. Instead, he maintained that being a knower is not about accessing a private psychological state, but about participating in a public space of reasons. In this view, knowledge is a social practice where individuals justify their claims through language and behavior. This approach allowed him to treat mental states as functional roles, suggesting that thoughts could theoretically be realized in digital computers just as they are in biological organisms.

Sellars’s project was deeply influenced by Immanuel Kant, particularly in his understanding of how conceptual thought synthesizes sensory input. By treating discourse about mental entities as a transposed mode of speech, he defended a form of linguistic nominalism, denying the existence of abstract mentalistic entities. His work remains a cornerstone of modern analytic philosophy, offering a rigorous, naturalist framework that attempts to explain how human reason can exist within a world governed by scientific laws. For Sellars, the ultimate aim of philosophy was to understand how all things, in the broadest sense, hang together.

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