Source identified
“For manliness gains much strength by being challenged.”
Difficulty can exercise courage the way resistance exercises a muscle, giving strength an opportunity to become practiced rather than theoretical.
Source note: Moral Letters to Lucilius, Letter 13, section 3, Richard M. Gummere translation.
Source identified
“The art of life is more like the wrestler’s art than the dancer’s.”
Life requires readiness for unexpected pressure, closer to maintaining balance in a contest than performing a fully choreographed sequence.
Source note: Meditations, Book VII, section 61, George Long translation; the full sentence emphasizes readiness for sudden and unexpected onsets.
Source identified
“It is not the critic who counts.”
Participation matters more than detached fault-finding when achievement requires risk, effort, mistakes, and responsibility for an outcome.
Source note: Citizenship in a Republic, commonly called the Man in the Arena speech; Roosevelt contrasts action with spectatorship.
Source identified
“These are the times that try men's souls.”
Crisis reveals commitment because principles become costly to maintain precisely when fear, fatigue, and uncertainty make retreat easier.
Source note: Opening of The American Crisis No. I; Paine addresses perseverance during a difficult stage of the American Revolution.
Source identified
“Courage cannot be cast down by adversity.”
Courage is defined by what survives difficulty: adversity may create pressure, but it does not have to decide the person’s response.
Source note: The Moral Sayings of Publius Syrus, saying 595, D. Lyman Jr. translation (1856).
Source identified
“No right way is easy in this rough world.”
Difficulty does not automatically mean the chosen course is wrong; worthwhile action can require courage and persistence through genuinely hard conditions.
Source note: Stickeen; Muir says this while attempting a dangerous glacier crossing, tying the line to immediate physical risk rather than abstract motivational language.