The answer appears as elusive for us as it did for Plato.
Unfortunately, the right content can prove frustratingly elusive.
As lawyers are aware, reasonableness is a notoriously elusive concept.
But, just as Saddam has remained elusive, so have Osama Bin Laden and Mullah Umar.
A rather elusive warbler in the trees in the garden turned out to be Blyth's Reed.
This is actually a common bird, but had proved surprisingly elusive.
Of course the sad truth about happiness is that it is entrancing, desirable and maddeningly elusive.
Such progress has proved elusive in the football league cup.
The elusive creature was a beautiful sea nymph who had crossed into our world from her own.
A clear understanding of how fiber might protect against colon cancer risk remains somewhat elusive.
She wanted something as elusive as the scent.
Since 1866 he had been pursuing an elusive appearance of glory.
They were spinning out of control, fed by the direct contact with him and the elusive scent that was making her mouth water.
The ancient historians all employed one and the same method to describe and seize the apparently elusive--the life of a people.
He made two or three false starts before he located the elusive narrow path through the thorny brush that separated the beach from the road beyond it.
She pulled more of him into her, trying to identify the elusive flavor that left her intoxicated.
With the exception of deceased Dawkins, Senior owning the property where the skeleton was discovered, Fred should be on safe ground limiting his research to the identity of the elusive bones.
Dean was well aware that when this opportunity, as tenuous as it was, was gone, locating their elusive quarry would be next to impossible.
Nelson's crowning triumph rendered impossible for the present all other means of attack on those elusive foes; and Napoleon's sense of the importance of that battle may be gauged, not by his public utterances on the subject, but by his persistence in forcing Prussia to close Hanover and the whole coastline of north-west Germany against British goods.
His inspiration may be traced in some measure to the Pre-Raphaelites and also to Blake, Shelley and Maeterlinck; but he found in his native Irish legend and life matter apt for his romantic and often elfin music, with its artful simplicities and unhackneyed cadences, and its elusive, inconclusive charm.
Permanent armies and walls across isthmuses were alike useless; Charlemagne had to build fleets to repulse his elusive foes (808810), and even after forty years of war the danger was only postponed.
Although she has been somewhat elusive, she will now serve my purpose twofold.
The reason for this convergence is that, whereas there is found great difficulty in characterizing the elusive nature of the sacred, its mode of manifesting itself is recognized to be much the same in all its phases.
Within three years of his appointment, the whole of the eastern Caucasus was subdued and the long elusive Shamyl was taken captive.