Earnestness means willingness to live with energy, though energy bring pain.
 William James, The Varieties of Religious Experience (1902). copy citation

add
Author William James
Source The Varieties of Religious Experience
Topic pain energy
Date 1902
Language English
Reference
Note
Weblink http://www.gutenberg.org/files/621/621-h/621-h.html

Context

“I mean what in its lower form is mere irascibility, susceptibility to wrath, the fighting temper; and what in subtler ways manifests itself as impatience, grimness, earnestness, severity of character. Earnestness means willingness to live with energy, though energy bring pain. The pain may be pain to other people or pain to one's self—it makes little difference; for when the strenuous mood is on one, the aim is to break something, no matter whose or what. Nothing annihilates an inhibition as irresistibly as anger does it;” source