Energy is a concept that has been coined by physicists. There is no observable thing known as energy anywhere.
There is no concept of a Tamil nation. India is one nation, and Tamil Nadu is a part of that.
The concept of the terrorists is to plunge our country into division.
The concept that an artist would be revered by popular culture is an immediate dismissal of his relevance as an artist.
In the restaurant business, there's the concept of pivot. Pivot to the stove, pivot to the refrigerator.
Time travel is such a magic concept.
I love the concept of togetherness and the entwinement of marriage.
To gastroenterologists, the concept of a germ causing ulcers was like saying that the Earth is flat.
