The phrase "a powerful observation" is correct and usable in written English.
It can be used when referring to a significant or impactful insight or remark made about a particular subject or situation.
Example: "Her analysis of the data led to a powerful observation about the trends in consumer behavior."
Alternatives: "a profound insight" or "a striking remark."
Bang Bang makes, if not a statement, then a powerful observation of a country going wrong (the title track was inspired by Armstrong joining a Manhattan protest over the killing of black teenager Michael Brown).
Director and Beirut native Ziad Doueiri has crafted a powerful observation on the seemingly insoluble challenges facing even the best-intentioned players in the Israeli-Palestinian narrative.
The non-specificity of childhood adversity in accounting for a number of later adult health outcomes is a powerful observation, as intervening at earlier stages in the life-cycle could have far-reaching positive effects on a variety of health outcomes.
For many people, this is a powerful observation that might give you the motivation you need to change this habit.
Multiple comparison is the essence of biology and provides us with a very powerful observation tool, especially when one lacks a precise idea on the nature of forces that shaped the observed diversity.
Beecher made a simple but powerful observation: our expectations can have a profound impact on how we heal.
David Douglas Duncan ("Uniform Sacrifice," Op-Ed, July 25) makes the powerful observation that Americans are fighting, yes.
The most powerful observation methods for understanding the interrelationships among sympatric species require standardized and repeated observations of populations over time, seasons, habitats and geographic space.
"This thermal imaging technology will deliver more powerful observation capability to the Kruger National Park's rangers, making it difficult for poachers to hide".
QRE would not have been practically serviceable in this way before the development of econometrics packages such as Stata (TM) allowed computation of QRE given adequately powerful observation records from interestingly complex games.
In The Greatest Century That Ever Was: 25 Miraculous Trends of the Past 100 Years, noted economist Stephen Moore and the late business professor Julian Simon make the powerful observation that since the early twentieth century, life expectancy has increased; infant mortality rates have fallen tenfold.
