Not enough people value liberty, itself an elusive concept on which so much else depends.

In formal reasoning, relevance has proved an important but elusive concept.

It's just that black theater, always an elusive concept, has grown more so.

You have often told me that one day I would understand an elusive concept called compassion.

A. Best is an elusive concept because it depends on priorities.

Yet quality of life is a more elusive concept.

He is perhaps best known for dealing with the elusive concepts of memory and perception through light installations.

Market share is an elusive concept, depending on who's doing the defining.

For all the attention it gets, privacy is an elusive concept.

Dignified death is a somewhat elusive concept often related to suicide.