The rice and cotton represent sustenance and livelihood. Their digestion changes and they must drink blood of living creatures for sustenance. Bread is viewed theologically as the quintessential food, the symbol of sustenance and life. They also seem to consume smaller species of sustenance that are in front of them. Many cave species depend on bat guano for sustenance, directly or indirectly. No living organism can be described as "wanting" to die for another organism's sustenance. Ambrosia is very closely related to the gods' other form of sustenance, "nectar". He hoped for an age of "omni-successful education and sustenance of all humanity". His aim was to prevent the Gauls from obtaining their sustenance through plunder. It is one of the texts of "spiritual sustenance" in the Advaita tradition. He does not appear to be human and eats rocks for sustenance. This journey is key to Ra's nature and to the sustenance of all life. The inhabitants today do not rely on the island and the surrounding waters for sustenance. Therefore, women were more preoccupied with governance, agriculture, logistics and other sustenance tasks. Many refugees continued to live in camps and relied on UNRWA assistance for sustenance.