Sometimes the things that are most real are the things you can't see.

I guess Lieutenant Dan figured there's some things you just can't change. He didn't want to be called crippled, just like I didn't want to be called stupid.

Sustainability is not an add-on, it's a way of thinking.

量子力学和信息理论之间的相互作用是一个丰富的研究领域。