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Hermeneutics is the philosophy of interpretation and understanding. Hans-Georg Gadamer's Truth and Method (1960) argues that understanding is not a method we apply to texts or objects but a fundamental mode of human existence. All understanding is historically situated: we always interpret from within a tradition, with "prejudices" (pre-judgments) that are not obstacles to understanding but its necessary precondition. Genuine understanding occurs through a "fusion of horizons" — a dialogue between the interpreter's perspective and the perspective embedded in what is being interpreted, in which both are transformed.
Hermeneutics has a long history as the art of interpreting sacred and legal texts, but Gadamer transformed it into something far more ambitious: a philosophy of understanding itself. Building on Heidegger's insight that understanding is a fundamental structure of human existence (not just an activity we sometimes perform), Gadamer argued in *Truth and Method* that all human experience is hermeneutical — shaped by interpretation, tradition, and dialogue.
The Enlightenment taught us to be suspicious of prejudice — pre-judgments inherited from tradition rather than established by reason. Gadamer argues that this suspicion is itself a prejudice, and a misleading one. We cannot step outside our historical situation to achieve a "view from nowhere." Every act of understanding begins from pre-judgments: assumptions, expectations, and frameworks shaped by our language, culture, and personal history. These are not obstacles to understanding but its *condition of possibility*. Without some prior sense of what a text might be about, we would not even know where to begin. The question is not whether we have prejudices but whether we are aware of them and willing to revise them.
Understanding occurs as a dialogue between the interpreter and what is being interpreted. When you read a philosophical text from another era, you do not simply decode its meaning (as though meaning were fixed and self-contained) or impose your own meaning on it (as though the text were a blank screen). You enter into conversation with it: your pre-judgments provide initial expectations, the text resists some of those expectations and confirms others, and your understanding shifts in response. Gadamer calls this the hermeneutical circle: understanding the parts requires understanding the whole, and understanding the whole requires understanding the parts. This is not a vicious circle but a productive spiral — each pass deepens understanding.
The culmination of this process is what Gadamer calls the fusion of horizons (Horizontverschmelzung). A "horizon" is the range of vision from a particular standpoint — what you can see from where you stand. My horizon is shaped by my historical moment, my language, my training. A text from ancient Athens has a different horizon. Understanding does not require me to leap out of my horizon into theirs (impossible) or to drag their text into my horizon unchanged (distorting). It requires a genuine merging in which my horizon is expanded by the encounter and the text's meaning is actualized through my engagement with it. The result is neither my original perspective nor the text's original context but something new — a productive understanding that neither party could have achieved alone. This is why Gadamer insists that understanding is always application: we do not first understand a text and then apply it to our situation; understanding *is* application.
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