half a loaf is better than none

Half a loaf is better than none is an idiom which is speaking of the fact that getting only part of what you wanted is better than getting nothing at all. This phrase is commonly used to respond to someone who is complaining about only getting part of something they desire, and instead of appreciating their half a loaf they are instead complaining about the amount they received. This phrase indicates the importance of appreciating even a little bit of wealth because it is better than none.