1 He was a great thinker with wise ideas about human nature and behavior.

2 He is also a famous philosopher who has influenced many people in many different countries with his wise words.

3 He is a Ming Dynasty explorer who makes the Chinese proud.

4 Confucius, a pioneer in the field of education

5 Sun Yat-sen died of physical failure due to overwork and full of regret.

6 The Red Army faced the danger of being encircled and suppressed by the Kuomintang.