Beginning of Essay
There are many themes that run through the novel Heart of Darkness. There are however two main and significant ones. These are the theme of restraint and man's journey into self. The importance of restraint is stressed throughout Heart of Darkness. In the novel ....

Middle of Essay
.... by restraint." They outnumber the whites "thirty to five" and could easily fill their starving bellies. Marlow "would have as soon expected restraint from a hyena prowling amongst the corpses of a battlefield." The cannibals action is "one of those human secrets that baffle probability." This helps Marlow keep his restraint, for if the natives can possess this quality Marlow feels he certainly can. Kurtz is the essence of the lack of restraint Marlow sees everywhere. Kurtz has "kicked himself loose from the earth." "He owes no allegiance to anything except those animal powers, those various lusts, those unpermitted aspirations lurkin ....