Right, Darwin's theory, the Theory of Evolution (biology) does not contain creation. That is what he was saying in your quote.
The Creationists science objects to are those that try to use a strawman and place it into the Theory and then argue against it. Science probably cannot determine who created everything. For those that want to believe God did it, you are safe, unless you insist on a young Earth, worldwide flood, special creation or any of the other flatly ridiculous proposals ID and CS attempt to equate with science. To insist on such things turns people away from belief in God.
"If sound science appears to contradict the Bible, we may be sure that it is our interpretation of the Bible that is at fault." Christian Observer, 1832, pg. 437
"Christians should look on evolution simply as the method by which God works." Rev. James McCosh, theologian and President of Princeton, 1890