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a kernel of truth

A singular element of truth or wisdom within a greater story, narrative, speech, or claim, especially when most or all other elements are fictitious or of questionable veracity. I think the governor's speech is a bunch of hogwash by and large, but there is a kernel of truth in what he said about the need for lower taxes.
See also: kernel, of, truth

he that would eat the kernel must crack the nut

proverb If you want something desirable or appealing, you must put forth the effort required to obtain it. I know it sounds scary to start your own business, but that's the only way you'll get to be your own boss. He that would eat the kernel must crack the nut and all that.
See also: crack, eat, he, kernel, must, nut, that
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

He that would eat the kernel must crack the nut.

Prov. You have to work if you want to get anything good. If you want to be a good pianist, you have to practice every day. He that would eat the kernel must crack the nut.
See also: crack, eat, he, kernel, must, nut, that
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
The initial Nystrom method directly utilizes target eigenvalues A x and extrapolated source eigenvectors [[bar.[PHI]].sub.Z] to make approximation for the source kernel [K.sub.Z].
Kernels from wild fruits are commonly consumed in the southern and central parts of Mozambique, where a variety of edible fruits can be found.
Number of total kernels produced were ranged from 8 to 240, number of haploid kernels were ranged from 0 to 18, whereas haploid induction rate was ranged from 0 to 17%.
Smola, Learning with Kernels, MIT Press, Cambridge, Mass, USA, 2002.
Add 1/2 cup popcorn kernels, cover the pan and let it heat up.
So this only makes sense for Blur kernels of, for example, 7x7 and above (smaller kernels are also not enough to hide losses in quality due to down-scaling and up-scaling).
After cooking corn kernels briefly with garlic, salt, and pepper, some of the corn is set aside while most go into a food processor bowl with pine nuts, Parmesan.
Ten plants from each replicate were selected for estimation of yield components i.e., kernel weight, kernels panicle-1, grain weight panicle-1.
To demonstrate the advantages of the proposed method, we carry out two groups of comparative experiments as follows: (1) Since the goal of the proposed method is to find the optimal linear combination of base hidden-layer kernels regarding to different numbers of hidden layer nodes, we compare the proposed method with base ELMs and HLK-ELMs.
Milwaukee, WI, July 03, 2018 --( Colonel Kernel Popcorn, a popcorn brand based in Brookfield, Wisconsin, is giving a portion of the proceeds from each purchase to help provide relief to distressed military veterans.
In our paper, we combine [L.sub.1]- and [L.sub.p]-norms [10], by extending the constraint of kernels as v[[summation].sup.M.sub.j=1] [u.sub.j] + (1 - v) [[summation].sup.M.sub.j=1] [u.sup.p.sub.j] [less than or equal to] 1.
The prediction performance of high-dimensional mapping by the kernels introduced and the related parameter optimization will be discussed in the next section.
Stones were broken to get the kernels, which were ground (100 mesh size), followed by oil extraction on a soxhelt unit using n-hexane, excess hexane was evaporated on a rotary evaporator (Buchi, Japan), oils were transferred to amber bottles and stored at -60C in a freezer at -65oC (Sanyo) for till further usage in the current investigation.