Robert Baden-Powell

Happiness doesn't come from being rich, nor merely from being successful in your career, nor by self-indulgence. One step towards happiness is to make yourself healthy and strong while you are a boy so that you can be useful and so you can enjoy life when you are a man.

English Soldier

Emily Oster

I tell my micro students everything I teach them is important, but the truth is that some things are more useful than others, and opportunity cost is near the top.

American Economist

J. Robert Oppenheimer

It is a profound and necessary truth that the deep things in science are not found because they are useful; they were found because it was possible to find them.

American Physicist

Edward de Bono

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.

English Psychologist

Charles Spurgeon

I do not doubt that we would become more useful if we praised God more, and others would join us, for they would see that God has blessed us.

British Clergyman

Dalai Lama

The important thing is that men should have a purpose in life. It should be something useful, something good.

Tibetan Leader

Terry Pratchett

It's useful to go out of this world and see it from the perspective of another one.

English Author

Geisha Williams

I liked helping my parents, feeling useful, feeling smart.

American Businesswoman

Johann Wolfgang von Goethe

What is my life if I am no longer useful to others.

German Writer

Alain Ducasse

The world forgets about people who are not useful.

French Chef

Think of 'useful' for items or knowledge that simplify tasks or solve problems in various situations.

Broad Utility

'Useful' implies something has value because it is practical or serves a clear purpose.

Implicit Value

Remember 'useful' can be subjective; what's useful to one person may not be to another.

Subjective Perspective

In tech, 'useful' often means a tool or feature effectively performs its intended function.

Tech Practicality

A tool's usefulness can depend on the user's skills in tech contexts.

User Expertise

'Useful' can relate to how well a program works with other tech systems or hardware.

Technical Compatibility

In business, 'useful' often means something leads to financial gain or efficiency.

Economic Advantage

'Useful' strategies or discussions are those that contribute to achieving business goals.

Strategic Planning

In law, 'useful' implies evidence or information can significantly affect a legal outcome.

Legal Validity

Legal 'useful' stresses the relevance and potential impact on a court's decision or verdict.

Relevance to Case

 But while the debate between prescriptivism and descriptivism continues, the two are not mutually exclusive. At its best, prescriptivism is useful for informing people about the most common established patterns at a given point in time. This is important, not only for formal contexts, but it also makes communication easier between non-native speakers

Does grammar matter? -...

 which brings us finally to what you can do to become more powerful in public life. Here, it's useful to think in terms of literacy. Your challenge is to learn how to read power and write power. To read power means to pay attention to as many texts of power as you can. I don't mean books only.

How to understand power...

 Using the tools at their disposal, they'll eliminate everything but the most useful and reliable information. There are many different ways of approaching critical thinking, but here's one five-step process that may help you solve any number of problems. formulate your question.

5 tips to improve your...

 When the A.I. is weak, it performs useful or amusing actions that cause its user to smile. When the A.I. becomes superintelligent, it realizes that there is a more effective way to achieve this take control of the world and stick electrodes into the facial muscles of humans

What happens when our...

 In fact, it's the semicolon's half-half status that makes it useful. It's stronger than a comma, and less final than a period. It fills the spaces in between, and for that reason, it has some specific and important tasks. For one, it can clarify ideas in a sentence

How to use a semicolon -...

 genuinely find useful that last part is really important because it speaks to a contradiction in impostor logic because when you think about it what we're really saying is other people are so stupid they don't realize we're incompetent to imagine if you'd come up

Thinking your way out of...

 environment because they have a very complex communicative system based on non-verbal communication by observing many different groups of chimpanzees catcher hopes to compile the world's first chimp dictionary the twycross chimps are a useful group

Thought-provoking...

 be very useful and figuring out which layers are iron-rich which layers are sulfur rich within the caldera as a whole there's certainly life coating the walls as you go down on some of the surfaces down at the bottom almost

Drones Sacrificed for...

 far more sophisticated and useful than electromagnetic waves. Maybe all the action takes place inside the mysterious recently discovered dark matter, or dark energy, that appear to account for most of the universe's mass.

Questions No One Knows...

 and more eumelanin, giving skin a darker tone. This built-in sun shield helped protect them from melanoma, likely making them evolutionarily fitter and capable of passing this useful trait on to new generations.