3 examples of impenetrate in sentences

Upon this point, unfortunately, there hangs a mist,not impenetrable, as we conceive, but yet impenetrated,a secret to which the given clue has been neglected, and which remains to the present day the opprobrium of a careless biography.

It impenetrates everything; is made up of everything.

Love and grief, in their double ministry, had refined, enlarged, and exalted his spirit to the conception of a design unparalleled in its nature, and of which no intellectual genius, unpurged by suffering, and impenetrated in its deepest recesses by the spiritualizing heats of emotion, would have been capable of conceiving.

3 examples of  impenetrate  in sentences