The Commens Dictionary
Quote from ‘Miscellaneous Fragments [R]’
Effort, or exertion, is a polarized awareness in which the active part has called up a contrary resisting part. It is almost instantaneous and is only kept up by constant repetitions.
MS [R] 104
‘Effort’ (pub. 25.08.17-15:58). Quote in M. Bergman & S. Paavola (Eds.), The Commens Dictionary: Peirce's Terms in His Own Words. New Edition. Retrieved from http://www.commens.org/dictionary/entry/quote-miscellaneous-fragments-r-7.