The Power of Positive Thinking popularity today. Norman Vincent Peale, born in 1898 in southwestern Ohio, graduated from Ohio Wesleyan University and later received his bachelor's and master's degrees in sacred theology from Boston University's School of Theology. Peale then attended Syracuse University where he received a doctor of divinity degree. After serving 10 years as a Methodist clergyman in New York, Peale became the pastor of New York City's Marble Collegiate Church where he stayed for 52 years, until his retirement in 1984. Throughout his career as a pastor, Peale wrote over 40 books, became a sought-after motivational speaker, started weekly radio and television
Positive adult development and Langer (1990). Four postformal adult stages of development beyond the formal stage have been discovered in a wide variety of domains. The total number of stages across the life span now stands at 15. Periods and Seasons have been described. For critical discussion of term postformal thinking, see Kallio (2011). She claims that highest forms of adult cognitive development (as part of adult positive development) can be called as integrative thinking (i.e. integrating several different psychological domains as emotions, cognition etc.). A number of edited books were written on the topic of positive adult development in the 1990s (Commons,