Simplicity vs. Complexity

The story contrasts the ideal of a simple, uncluttered life with the unnecessary burdens people carry, as seen in the packing list debate and the metaphor of 'throwing the lumber overboard' from life's boat.

The contrast between J.'s romantic vision of simple camping and Harris's practical concerns highlights the tension between idealism and reality.

The narrator contrasts the simple pleasures of a river trip with the unnecessary 'lumber' of social pretensions and material excess.

The simple task of setting up a tent becomes a complex, chaotic ordeal.