Bruce Ismay : When can we get underway, damn it?
Thomas Andrews : That's FIVE compartments! She can stay afloat with the first four compartments breached, but not FIVE. Not FIVE. As she goes down by the bow, the water will spill over the tops of the bulkheads at ETH DECK, from one to the next, back and back. There's no stopping it.
Captain Smith (not pictured) : The pumps. If we open the...
Thomas Andrews : The pumps buy you time, but minutes only. From this moment, no matter what we do, the MARKET will founder.
Bruce Ismay : But this ship can't sink.
Thomas Andrews : She's made of ETH, sir. I assure you, she can, and she will...
It is a mathematical certainty...
20:25 - Mr Bruce Ismay...