They no longer are determined to plumb the depths of their soul; they're happy to offer slight, meaningful textures to their introspective rockers.

If we are not astounded by these possibilities, we can never plumb the depths of our own souls or the soul of the world.

However, contemporary critics continued to assert that her works were sophisticated and only appropriate for those who could truly plumb their depths.

But modern technologies threaten the city: men with sophisticated machinery plumb the depths of the ocean in order to extract its riches.