Everyone is in favor of free speech. Hardly a day passes without its being extolled， but some people's idea of it is that they are free to say what they like， but if anyone else says anything back， that is an outrage.

The most important thing about a technology is how it changes the way we live.

The past, like the future, is indefinite and exists only as a spectrum of possibilities.

建筑是对空间的深思熟虑的创造。