Thoughts pass in my mind like flocks of lucks in the sky.I hear the voice of their wings .
不要说不利于身心的话,不要做不利于身心的事,不要接近不利于身心的人,不要进入不利于身心的境界,不要看不利于身心的书。
In distributed systems, the key challenge is achieving consensus among unreliable components.