Quotation from: The Beasts of Tarzan

Written by: Edgar Rice Burroughs

He might have known it! If there was any plan that would render
his position more harrowing he should have known that such would
be the one adopted by the Russian, and what could be more terrible
than to leave him to a lifetime of suspense upon an uninhabited
island?

Rokoff doubtless had sailed directly to the mainland, where it
would be a comparatively easy thing for him to find the means of
delivering the infant Jack into the hands of the cruel and savage
foster-parents, who, as his note had threatened, would have the
upbringing of the child.