teaching about the effect of something has a uncertain roots on preventing that something
reading has effect_of_focusing_on_thoughts reading_books has effect_of_gaining_knowledge scientific_discipline is field_of_study. uncertainty_principle is scientific_theory. prevention_of_communication is preventing. reading_newspaper has effect_of_learning_about_events graphology is discipline. writing has effect_of_learning ability_to_ignore_bad_advice is learned_skill. controlling_anger is very_useful_skill.