事不素讲,难以应变;兵不预练,难以克敌。
译文:事前不研讨,遇变难以应对;军队不训练,作战难以取胜。强调未雨绸缪的重要性。
反馈是一个强大的概念,在自然系统和技术系统中被广泛使用。
宇宙的扭曲面——黑洞、虫洞、奇点等——对我如此吸引,因为它与日常生活中的平坦欧几里得几何如此不同。
Was vernünftig ist, das ist Wirklich; und was wirklich ist,das ist vernünftig.
对生命的研究就是对无限可能性的研究。
People are curious. A few people are. They will be driven to find things out, even trivial things. They will put things together, knowing all along that they may be mistaken.
Luxury is not about buying expensive things. It's about living in a way where you appreciate things that are well made, that last.