But he was a passionate teacher, and I remember one of our earlier classes with him, he was projecting images on the wall, asking us to think about them, and he put up an image of a painting.
但他也是一位充满热情的老师， 我记得他给我们上的一堂入门课， 他将图像投影到墙上， 要求我们去思考， 他投影了一张画。