There are important new ideas in Congress about how to improve the system.

Usually the world becomes very different to help people notice important ideas.

This is an important idea to which we shall return.

Some important ideas about what is good or bad have come from religion.

Excess runs through the entire play, and is an important idea.

Read it for yourself, but here is one of the most important ideas.

The most important idea in the world, he insists, is that everyone must look out for himself.

But the other idea, equally important, was to have women on stage.

That struck me as perhaps the most important idea in his speech.

Since I've been sitting talking to you, however, rather important idea has occurred to me.