在数学中，提出问题的艺术必须比解决问题更有价值。
In mathematics, the art of proposing a question must be held of higher value than solving it.
"A book is a dream that you hold in your hand."
计算机图形学中的现实主义不仅仅是渲染看起来真实的图像，还包括创造感觉真实的图像。