Then he drew his hand over his eyes, stood a moment to collect himself apparently, and turning anew to Catherine, said, with assumed calmness-"You must learn to avoid putting me in a passion, or I shall really murder you some time! 
Then he drew his hand over his eyes, stood a moment to collect himself, and turning to Catherine, said, with assumed calmness:
'You must learn to avoid putting me in a passion, or I shall really murder you some time! 