What literary terms are described in this sentence?

Question

"The sea itself...is the mistress of his existence and as inscrutable as destiny."

What literary device is used in this next sentence?

"When you have to attend to things of that sort (looking for wood to fuel the boiler", to the mere incedents of the surface, the reality-the reality, I tell you-fades. The inner truth is hidden-luckily, luckily."

Thanks

Answer 1

The first sentence contains both a simile and a metaphor.  I'm not sure about the second one, though.