Why must the party's discipline be strict?

"Several Guidelines on Political Life within the Party under the New Situation" clearly points out: "Strict discipline is an important guarantee for the unity of will, action and progress of the whole party and an important content of political life within the party. We must strictly observe the party's discipline, put discipline ahead, and strictly manage the party with iron discipline. " First, strict discipline is the basic feature and valuable quality of Marxist political parties, and it is an important symbol that distinguishes Marxist political parties from other political parties. Strict discipline of the Party is an inevitable requirement to always uphold and carry forward the basic characteristics and valuable qualities of our Party as a Marxist political party. Second, strict discipline is our party's glorious tradition and unique advantage. Strict discipline of the party is an inevitable requirement to always uphold and carry forward the glorious tradition and unique advantages of the party. Third, strict discipline is an important foundation and guarantee for our party's cohesion and combat effectiveness, leadership and ruling ability. Strict discipline of the Party is an inevitable requirement for strengthening the Party's cohesion and combat effectiveness, improving the Party's leadership level and ruling ability, and fulfilling the historical mission of the "two hundred years" struggle goal shouldered by the Party.