Full Idea
It must not be claimed that anyone can sense time by itself apart from the movement of things or their restful immobility.
Gist of Idea
We can only sense time by means of movement, or its absence
Source
Lucretius (On the Nature of the Universe [c.60 BCE], I.465)
Book Reference
Lucretius: 'On the Nature of the Universe', ed/tr. Latham,Ronald [Penguin 1951], p.41
A Reaction
This seems a remarkably Einsteinian remark, though he is only talking of the epistemology of the matter, not the ontology. We are not far from the concept of space-time here.