A pitfall is not a symbol of ease. One cannot walk easily on the path of a pitfall; it gets obstructed. If one falls into a pitfall, they must first descend. It is uncertain how far down one must go before the pitfall ends.Even if the descent ends, one must climb to get out of the pitfall. Climbing is difficult. Therefore, falling into a pitfall means stumbling into a chasm from which escape is almost impossible. Either one must avoid falling into the pitfall, or if they do, they can only survive by adapting to the conditions there.Otherwise, the pitfall...