New technology is useful but it's inefficient and ugly it knows it'll be obsolete by lunchtime tomorrow so it has no incentive to be anything else.
For behaviorist films that's been much more useful - the change of technology - but for my kind of films doing them on film is much better because it's more beautiful.
Technology is a useful servant but a dangerous master.
With a houseful of kids you give each other strength.
A person's worth is quite independent of their usefulness to society.
The purpose of science is not to analyze or describe but to make useful models of the world. A model is useful if it allows us to get use out of it.
Science my lad is made up of mistakes but they are mistakes which it is useful to make because they lead little by little to the truth.
Labor wants pride and joy in doing good work a sense of making or doing something beautiful or useful - to be treated with dignity and respect as brother and sister.
Against my will in the course of my travels the belief that everything worth knowing was known at Cambridge gradually wore off. In this respect my travels were very useful to me.
Consult your friend on all things especially on those which respect yourself. His counsel may then be useful where your own self-love might impair your judgment.