Just in case you couldn't read the text:
Panel 2
"I've been adrift for days now..."
"I'll surely die of dehydration before long."
"...If I don't die of heatstroke first."
Panel 3
"But that's not what scares me."
"What scares me is that something keeps knocking on the other side of this door."
"And every so often..."
"it tries the handle."