Why do you say "body is the capital of revolution?"

"Body is the capital of revolution" comes from Mao Zedong's quotation. What Mao Zedong said in the 1950s and 1960s. At that time, China was going through an important era. If Mao Zedong encourages workers and farmers to work. People need to do different activities to live in this world ... the so-called revolution, but people need to have a good body if they want to make a revolution. Once a person has no body, no matter how good the plan is, it can only be regarded as a fantasy. .......