The best performance improvement is the transition from the nonworking state to the working state.

我们会嘲笑可笑之事，无法自拔地笑出声来。

我成日都觉得，做人最紧要系有heart。

The unexamined life is not worth living.

对不起妈妈，我从没想过要伤害你。我从没想过让你哭泣，但今晚我要清理我的衣橱。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.