For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.
生活中最大的幸福是确信我们被爱;被爱是因为我们自己,或者更确切地说,尽管我们自己。
Internal mental events are irrelevant to the scientific study of behavior.
电影的美妙之处在于它可以带你去任何地方。
生命是一个黎明,死亡是另一个黎明。
The history of life is a history of innovation.