to allay one's hunger

(lit.) to eat rotten meat to assuage hunger (idiom); (fig.) to disregard long-term consequences for short-term benefits; shortsighted

lit. to allay one's hunger using a picture of a cake; to feed on illusions (idiom)

storing grain against a famine; to lay sth by for a rainy day; also written 積穀防飢|积谷防饥

The well-fed cannot know how the starving suffer (idiom).