"the Communist Party of China (CPC) Integrity and Self-discipline Guidelines" put forward four principles of party member integrity and self-discipline. What are the four rules?

Article 1: Insist on distinguishing between public and private interests, distinguishing between public and private interests, and self-denial.

Article 2 Adhere to integrity, resist corruption and prevent change, be innocent and do things cleanly.

Article 3 Adhere to frugality without extravagance, be hard-working and plain-living, and be thrifty.

Article 4. Insist on suffering first, enjoying later and being willing to contribute.