therein lies

idiom

formal

—used to say that a statement, fact, or detail expresses the substance of something

They have to make a decision soon. Therein lies the problem. If they act too quickly, they run the risk of choosing the wrong plan.

Examples of therein lies in a Sentence

Recent Examples on the Web

When told that Montreal is now the new official Guinness titleholder, though, Pavlopoulos expressed cool indifference, pointing out that therein lies a key difference in the tale of two cities. —Vivian Song, CNN Money, 17 Feb. 2026

While there is good reason to honor what came before, there is every reason to appreciate what is happening right now, and therein lies the issue that somehow managed to overshadow even the towering Hasheem Thabeet on a strange night in Storrs. —Dom Amore, Hartford Courant, 15 Feb. 2026

And therein lies the real conundrum. —Evan Grant, Dallas Morning News, 11 Feb. 2026

And therein lies the challenge for Chinese clean tech—and perhaps what keeps it from bending the world’s emissions curve. —Justin Worland, Time, 10 Feb. 2026

Rhymes for therein lies

• advertise
• aggrandize
• agonize
• alibis
• alkalies
• alkalis
• amortize
• amplifies
• analyse
• analyze
• anywise
• authorize