The Vietnam War and the Iraq war, in different ways, both made me feel like I could not not address them. I'm very doubtful about the usefulness of poetry to do that.
The ease with which barley may be substituted directly for wheat in human food and its usefulness to replace wheat milling by-products as feed in the production of the milk supply render its abundant production important.
Guided only by their feeling for symmetry, simplicity, and generality, and an indefinable sense of the fitness of things, creative mathematicians now, as in the past, are inspired by the art of mathematics rather than by any prospect of ultimate usefulness.
I am aware of the usefulness of science to society and of the benefits society derives from it.
Blockchain assets derive value from their usefulness. Bitcoin has value because people value the payment network. BTC is required to use the network, so people demand it. If Bitcoin continues to be useful, it will continue to have value.
America, a country that is no longer contained by physical borders, aspires only for more power and control. I want to maximize my usefulness and advocate for the preservation of biodiversity and the pursuit of human decency within my sphere of influence.
A drunkard in the gutter is just where he ought to be, according to the fitness and tendency of things. Nature has set upon him the process of decline and dissolution by which she removes things which have survived their usefulness.
