I sit at my window this morning where the world like a passer - by stops for a moment, nods to me and goes.

模型是对现实的简化表示，但其价值在于它能够提供不立即显而易见的见解。

In the quest to understand the fundamental nature of reality, we must be prepared to question even our most cherished assumptions.

逻辑是所有数学推理的基础。