人心是复杂且常常矛盾的。
The human heart is a complex and often contradictory thing.
真正的监狱不是由围墙构成，而是由沉默的舌头和被审查的思想构成。
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.
The journey of a thousand miles begins with a single step.