Here a person is referred to by his spirit to emphasize his attitude. Alternate translation: "A person who is hopeful will survive sickness" or "If a person is full of hope in his inner being, he will survive being sick" (See: [[rc://en/ta/man/translate/figs-synecdoche]])
This is a rhetorical question, expecting the answer that few can bear it. This can be written as a statement. Alternate translation: "but it is very hard to bear a broken spirit." (See: [[rc://en/ta/man/translate/figs-rquestion]])