no pain, no gain

no pain, no gain idiom
Suffering is needed to make progress, as in I've worked for hours on those irregular French verbs, but no pain, no gain. Although this idiom is often associated with athletic coaches who urge athletes to train harder, it dates from the 1500s and was already in John Ray's proverb collection of 1670 as “Without pains, no gains.”

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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