Without clear, well-defined, and non-contradictory goals, the sense of positive engagement that makes life worthwhile is very difficult to obtain. Clear goals limit and simplify the world, as well, reducing uncertainty, anxiety, shame, and the self-devouring physiological forces unleashed by stress.Jordan B. PetersonThe Author of this QuoteAuthorJordan B. PetersonA life-changing professor of psychology at the University of Toronto.