Knowledge
Knowledge is the activity of the mind. 知识是心灵的活动。 Love is so short, forgetting is so long. 爱那么短，可是遗忘那么长。
Knowledge is the activity of the mind. 知识是心灵的活动。 Love is so short, forgetting is so long. 爱那么短，可是遗忘那么长。
