Final answer:
The passage is a collegiate-level English reflection on multiplicity of self and identity, experienced during a train journey and paralleled with societal disconnection.
Step-by-step explanation:
The passage presents a complex reflection on identity and existence, conveying a sense of being multiplied or fragmented. It suggests that being in the train causes the speaker to experience themselves in more than one way, as they occupy physical space while also being mindful of others and the translucent, ephemeral other.
This concept ties into wider themes of self-awareness and the confrontation with difference and otherness, as these excerpts reflect upon the experience of feeling disconnected or disintegrated from a larger societal framework, while still seeking a profounder, perhaps metaphysical, connection with the universe and the future.