解析：念念流动即是道，而不是一念不生。不拒迎，念即流动。

译文：天地永恒无穷尽，生命短暂很有限，过一天就少一天。荣华富贵自古以来就有定数，但学问则无定数，只要花费一份力，就会收获一分知识。赏析：这句话告诉我们，生命和青春有限，要懂得珍惜生命和时间，不要挥霍无度。我们要在有限的生命里，多读书学习，那么就会有收获。

"The world is full of people who have never, since childhood, met an open doorway with an open heart."

I always try to be positive, even in difficult moments.

The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.