The price of freedom is eternal vigilance.
I’m not a pessimist. I’m an optimist who’s been through a lot.
煤炭的未来在于更清洁的技术和更智能的资源管理。
在商业中,如果你不前进,你就在落后。
被询问:“你觉得企业家最重要的品质是什么?”
Mental phenomena are best understood as bridges between environmental demands and organismic responses.