1) Struggle has been going on every day since the beginning of mankind. --Sun Yat-sen

2) Human beings must strive to survive in competition. --Sun Yat-sen

3) The responsibility of the revolutionary army is to make the unequal world equal. --Sun Yat-sen

4) We must survive and develop through struggle. -- Mao Dun

5) Struggle to improve life is a respectable behavior. -- Mao Dun

6) Everyone has the spirit of struggle. -- Li Shutong

7) Struggle is the father of all things.

-- Tao Xingzhi