The only freedom which deserves the name is that of pursuing our own good in our own way， so long as we do not attempt to deprive others of theirs， or impede their efforts to obtain it.

后悔是我们喝下的毒药，却希望别人会死。

创新不仅仅是技术的问题；它关乎我们如何重新构想与材料和环境的互动方式。