What does the following passage mainly reveal about Marlow (paragraph 2)?

But he must at least be as much of a man as these on the shore. He must meet that truth with his own true stuff—with his own inborn strength. Principles? Principles won’t do. Acquisitions, clothes, pretty rags—rags that would fly off at the first good shake.
Group of answer choices

Marlow believes people should be true to their principles, not matter what the cost

Marlow thinks of principles as disposable.

Marlow wants the readers to examine their own convictions.

Marlow disdains ethical conduct.