The famous sayings of doing what you know you can't do are as follows:

1. This sentence comes from the Analects of Confucius, which means that you know it is difficult to do something, but you still choose to do it. It encourages people to face difficulties bravely and not be afraid of difficulties and obstacles. He who does not advance loses ground. This sentence means to work hard under difficult conditions, or you will retreat. It encourages people not to give up easily in the face of setbacks, but to move on.

2. Since ancient times, no one has died, so take the heart of Dan to shine on the history. This sentence comes from Wen Tianxiang's Guo Lingding Yang, which means that everyone in the world will face death, but we should leave heroic beliefs and deeds and let them last forever. It encourages people to stick to it even in the face of death for the sake of faith and justice.

3. For the sake of the well-being of all mankind, I am willing to die. This sentence comes from the consideration of Marx's youth when choosing a career, which means that I am willing to sacrifice everything for the happiness of most people. It encourages people to pay and contribute bravely for the sake of higher goals and the overall situation.

Wen Tianxiang related information

1. Wen Tianxiang, a famous politician, writer and anti-Yuan general at the end of the Southern Song Dynasty, was born in Jishui, Jiangxi Province, with the name Song Rui. He was loyal to his country all his life and died for it, and was known as a loyal man. Wen Tianxiang's life was full of loyalty, courage and responsibility, and his deeds became a model in the history of China.

2. When Wen Tianxiang was young, he was studious and well-read, especially good at poetry. His poems are of great artistic value, such as crossing the ocean, songs of righteousness, etc., and they are all masterpieces that have been passed down through the ages. His poetry works mainly express his concern for the country and the people, expressing his loyalty to the country and his worries about the nation.

3. After Wen Tianxiang was captured, Kublai Khan, the emperor of the Yuan Dynasty, repeatedly persuaded him to surrender, but Wen Tianxiang remained firm in his belief and would never surrender. He wrote a famous righteous song in prison, expressing his determination to fight bravely for the country and the nation. Finally, before his execution, Wen Tianxiang was fearless in the face of the enemy's butcher's knife, shouting that no one has died since ancient times, and that he should be brave enough to die.