"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.
A high heart ought to bear calamities and not flee them, since in bearing them appears the grandeur of the mind, and in fleeing them the cowardice of the heart.