Every program has (at least) two purposes: the one for which it was written, and another for which it wasn't.
受过教育的心灵的标志是能够思考一种思想而不必接受它。
世界上充满了神奇的事物,耐心地等待着我们的感官变得更加敏锐。
The difference between the impossible and the possible lies in a person’s determination.