The idea that a stranger must be an enemy runs deep in most people.

The ideas behind traditional Islamic dress, on the other hand, run a lot deeper.

And do not both ideas run counter to the advertising pitch?

This idea ran into a number of difficulties and did not succeed.

Similar ideas have run into serious opposition in the past.

That idea ran into opposition from the handicapped and did not win the Mayor's support.

Where other young men's ideas ran to the pictures, Henry's seemed to be concerned with sport.

This idea of unity from diversity runs through our own history.

But on the other hand, the idea that art may be found in any and all places runs entirely counter to this notion.

When an idea runs for the first time through your own mind, it comes out as an original thought.