Every brick and every tile has its own language; architects must learn to listen.
每一块砖、每一片瓦都有自己的语言,建筑师要学会倾听。
心理学必须是纯粹实验性和分析性的。
——2008年2月19日在斯坦福大学演讲
"Complexity theory teaches us that not all problems are created equal; some are inherently harder than others."
Software is under a constant tension. Being symbolic it is arbitrarily perfectible; but also it is arbitrarily changeable.