If you find the text drifting (starting on time but ending late), you may need to adjust the frame rate from 25fps (PAL/DVD) to 23.976fps using a tool like Subtitle Edit.
600:01:10,200 --> 00:01:13,900"To my sister Agnes, who has neverknown the meaning of the word 'poverty'..." subtitle Laughter.in.Paradise.1951.1080p.BluRay...
300:00:55,300 --> 00:00:58,800LAWYER: Henry Russell wasan extraordinary man. If you find the text drifting (starting on