"This is the best of times, and this is the worst of times." The giant wheel of the times is constantly spinning and entering the new century, with natural and man-made disasters, terrorist attacks, demonstrations and protests, the world is becoming more and more turbulent, and people's hearts are becoming more and more greedy and greedy. ugly! The chaotic, black-and-white world shocks people's hearts! Some people fight hard at all costs; some people stick to their principles and face them positively! Confrontation may lead to danger; perseverance may be futile. Only tolerance and understanding are the right way. It's a pity that in this day and age, who else can understand this truth?