1. The human development journey begins in infancy and, if growth continues, may extend into late adulthood and even until death (some, of course, may say that it extends beyond death).
2. The path that we, as travellers, follow is one of many distinct stages, each of which represents a clear, qualitative transformation of thinking and being.
3. The strengths of one stage ultimately become its limitations, a realisation which nudges us to the next stage of our growth.
4. We progress from one stage to the next by the agency of two fundamental capacities: transcendence and inclusion.
5. Research has consistently demonstrated that these stages cannot be bypassed without some compromise.
6. Each stage of the journey ...