'timeless essence' is a correct and usable phrase in written English.
You can use it to describe something that is deeply meaningful and has stood the test of time—remaining relevant and important despite changes in society or other circumstances. For example, you might say that "The novel's timeless essence resonates with readers today as powerfully as it did a century ago."
Ask: Does our working strategic principle capture the timeless essence of our company's unique competitive value?
For him, the appeal lies as much in the furniture's story as in the timeless essence of its form.
The red and white awnings, the strolling banjo players and the canopy of oak trees have long given Saratoga Race Course a timeless essence.
Tasked with imposing more coherence on this year's collection, Ms. Delale commissioned her chosen designers to take the Harcourt model as their starting point in making jewelry pieces that would evoke the timeless essence of Baccarat style.
Does it capture what you intend to do for only the next three to five years, or does it capture a more timeless essence: the genetic code of your company's competitive differentiation?
In line with his discussion of the Idea, the concept of historical origin should not be reduced to the causality and actuality of the empirically factual, nor should it be regarded as a purely logical and timeless essence.
Husserl distinguished Phenomenology from psychology, however, because, in his view, the latter concerns facts in a spatio-temporal setting, whereas Phenomenology uncovers timeless essences.
Partly because of his philosophical presuppositions, borrowed chiefly from Husserl, van der Leeuw held the disputable doctrine that Phenomenology knows nothing of the historical development of religion: it picks out timeless essences of religious phenomena.
Because existing is self-making (action), philosophy including existential philosophy cannot be understood as a disinterested theorizing about timeless essences but is always already a form of engagement, a diagnosis of the past and a projection of norms appropriate to a different future in light of which the present takes on significance.
The monuments and relics of Ancient Egypt have not been administered for the good of the Egyptian people but have been mercilessly exploited as an economic cash cow for foreign tourism and have served as the propaganda icons of a historical narrative (of a "timeless" Egyptian essence) that has been used in so many ways to justify the autocratic centralization of the Sadat-Mubarak regime.
As much metaphor as journalism, the image tells a story that is both immediate and timeless -- the very essence of Bronstein's life work.
