A physical symbol system has the necessary and sufficient means for general intelligent action.
It is indeed an opinion strangely prevailing amongst men， that houses， mountains， rivers， and in a word all sensible objects， have an existence， natural or real， distinct from their being perceived by the understanding.
对探究的自由必须没有任何障碍……科学中没有教条的位置。
The concept of computational efficiency is central to the design of learning algorithms.
Semiconductors are the food of the information society; without them, modern information technology would not exist.
