Ask for some famous sayings about sacrificing yourself for others.
Burn yourself, illuminate others and wait for death. -Sima Qian means: facing difficulties and setbacks with loyalty, regardless of life and death, bravely giving his life for justice and dying. Ancestor's territory should be guarded, and people should not be measured. -"Biography of Song Shi Li Gang" means that we will do nothing with the land left by our ancestors.