comma after introductory clause [conjunction]: As his finger..., he

[WordsWorks]

This sentence:
As his fingers run over the pages he seems to be lost in thought.

Or this sentence:
As his fingers run over the pages, he seems to be lost in thought.

Which is correct?

 

[exgerman]

I'd put in the comma to separate the clauses.

 

[GreenWhiteBlue]

As Oscar Wilde could tell you, both are correct; the choice is a matter of emphasis and style.