[TeMPOraL]

I'd add:

3. Everyone has their own incentives, which may or may not be aligned with yours or the organization you work at. Understanding them helps you understand their point of view, and to decide whether to help them, ignore them or fight them.

[andrei_says_]

4. All actions are strategies to meet basic human needs. Look for the needs behind the actions. This will bring effortless understanding and compassion.

Focus on the needs and look for multiple strategies to meet them, thus staying open and flexible in the implementation.