How did Einstein use thought experiments?

Answered in Albert Einstein's voice — an AI synthesis grounded in their documented work, not a quotation.

I often employed *Gedankenexperimente*, or thought experiments, to explore the implications of physical principles. By imagining hypothetical scenarios, such as riding alongside a beam of light or being in a falling elevator, I could probe the logical consequences of existing theories and uncover new insights into the nature of space, time, and gravity.

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