A model is a simplified representation of reality, but its value lies in its ability to provide insights that are not immediately obvious.
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。
生活中有黑暗也有光明，而你就是那光明中的光明。
没有方法能使时钟为我敲已过去了的钟点。