One rule appears often yet fades from memory: compare yourself to yesterday, not today's others.

Discipline has parenting rules: 1. Limit rules' quantity — set boundaries without suffocating children. 2. Minimal necessary force — apply punishment when warranted. 3. Parents participate jointly.

Assume your listener knows something you don't.

Speak precisely. The author talks extensively, sharing daily minutiae — even this chapter. Probably his sharing nature, but the principles still merit attention.

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