Confucius， a pioneer in the field of （1）　　（教育）． He was born in the year 551 B． C． He was a great thinker who had many wise ideas about human nature and behavior． His main ideas are about kindness and good manners． He was also a famous philosopher whose wise sayings have （2）i　　 many people in （3）d　　 countries． For example，one of his famous sayings， "He who learns but does not think is lost； he who thinks but does not learn is in （4）d　　"， tells us the （5）　　（重要性）of learning and thinking．