Wilderness of Mirrors

Legends 1×9

& Bashir: Special Agent Martin Odum of the FBI. You have no idea who you’ve angered.

& Martin: So... «Martin Odum» is a legend.
    Gates: Yes.

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& Sonya: You’re confused. You’re sick.
    Martin: I’m not sick. I’m being lied to.

& Martin: ...it’s all been a lie. Hasn’t it? It’s all been a lie.
    Sonya: It was a lie. But it became real.

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On the IMDb