How can you own numbers? Numbers belong to the world.
Interpretation
Ownership of abstract concepts like numbers is meaningless because they exist independently of individuals.
In this quote, Donald Knuth challenges the idea of ownership over numbers, which are fundamental concepts that belong to the collective understanding of humanity. By asserting that numbers belong to the world, he emphasizes the notion that certain ideas and truths are universal and not confined to private possession or individual control.
In practice
In a discussion about the ethics of data ownership in technology, this quote can highlight the collective nature of knowledge.
Computer programming is an art, because it applies accumulated knowledge to the world, because it requires skill and ingenuity, and especially because it produces objects of beauty. A programmer who subconsciously views himself as an artist will enjoy what he does and will do it better.
The hardest thing is to go to sleep at night, when there are so many urgent things needing to be done. A huge gap exists between what we know is possible with today's machines and what we have so far been able to finish.
An algorithm must be seen to be believed.
The process of preparing programs for a digital computer is especially attractive, not only because it can economically and scientifically rewarding, but also because it can be an aesthetic experience much like composing poetry or music.
People who are more than casually interested in computers should have at least some idea of what the underlying hardware is like. Otherwise the programs they write will be pretty weird.
Everyday life is like programming, I guess. If you love something you can put beauty into it.
Character assassination is at once easier and surer than physical assault; and it involves far less risk for the assassin. It leaves him free to commit the same deed over and over again, and may, indeed, win him the honors of a hero in the country of his victims.
If we ever forget that we are One Nation Under God, then we will be a nation gone under.
Man often becomes what he believes himself to be.
Nothing will make me change my principles. Even with the knife at my neck I shall still declare, up to this day, the poor have done everything; it is time for the rich to take their turn... The selfish people, the young idlers, must be made useful, whether they like it or not, and some respite be procured for the useful and respectable worker.
Nothing surely is as potent as a law that may not be disobeyed. It has the force of the water drop that hollows the stone. A small dainty task, if it be really daily, will beat the labours of a spasmodic Hercules.
We live in a spiritual Universe. God is in, through, around and for us.
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