move in a crowd

But of this the philosophers of the schools know nothing, or despise the faith as the prejudice of the ignorant vulgar, because they live and move in a crowd of phrases and notions from which human nature has long ago vanished.

She seemed to move in a crowd, a cheerful, orderly crowd, keeping in tune and heart with its thousand claims; with strength and calmness of mind to bear multiplied sorrows and a variety of care with courage, and an ever-reviving gift of spirited interest.