A Quote by Ada Lovelace
In almost every computation a great variety of arrangements for the succession of the processes is possible, and various considerations must influence the selections amongst them for the purposes of a calculating engine. One essential object is to choose that arrangement which shall tend to reduce to a minimum the time necessary for completing the calculation.
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One essential object is to choose that arrangement which shall tend to reduce to a minimum the time necessary for completing the calculation.
The Difference Engine can in reality (as has been already partly explained) do nothing but add; and any other processes, not excepting those of simple subtraction, multiplication and division, can be performed by it only just to that extent in which it is possible, by judicious mathematical arrangement and artifices, to reduce them to a series of additions.
In every remodelling of the present, the existing condition of things must be supplanted by a new one. Now every variety of circumstances in which men find themselves, every object which surrounds them, communicates a definite form and impress to their internal nature. This form is not such that it can change and adapt itself to any other a man may choose to receive; and the end is foiled, while the power is destroyed, when we attempt to impose upon that which is already stamped in the soul a form which disagrees with it.
Our hopes of avoiding the fate which threatens must...[be to make]adjustments that will be needed if we are to recover and surpass our former standards...and only if every one of us is ready to individually obey the necessities of readjustment shall we be able to get through a difficult period as free men who can choose their own way of life. Let a uniform minimum be secured to everybody by all means; but let us admit at the same time that with this assurance of a basic minimum all claims for a privileged security for particular classes must lapse.
Let's call something a rigid designator if in every possible world it designates the same object, a non-rigid or accidental designator if that is not the case. Of course we don't require that the objects exist in all possible worlds.... When we think of a property as essential to an object we usually mean that it is true of that object in any case where it would have existed. A rigid designator of a necessary existent can be called strongly rigid.
We must, therefore, be confident that the general measures we have adopted will produce the results we expect. most important in this connection is the trust which we must have in our lieutenants. consequently, it is important to choose men on whom we can rely and to put aside all other considerations. if we have made appropriate preparations, taking into account all possible misfortunes, so that we shall not be lost immediately if they occur, we must boldly advance into the shadows of uncertainty.
The institution of marriage in all societies is a pattern within which the strains put by civilization on males and females alike must be resolved, a pattern within which men must learn, in return for a variety of elaborate rewards, new forms in which sexual spontaneity is still possible, and women must learn to discipline their receptivity to a thousand other considerations.
I'll suffer no daughter of mine to play the fool with her heart, indeed! She shall marry for the purpose for which matrimony was ordained amongst people of birth--that is, for the aggrandisement of her family, the extending of their political influence--for becoming, in short, the depository of their mutual interest. These are the only purposes for which persons of rank ever think of marriage.
The Possibilities in racing tactics are almost unlimited, as in a game of chess, for every move there is a counter, for every attack there is a defense.... The runner's greatest asset, apart from essential fitness of body, is a cool and calculating brain allied to confidence and courage. Above all, he must have a will to win.
It must be evident how multifarious and how mutually complicated are the considerations which the working of such an engine involve. There are frequently several distinct sets of effects going on simultaneously; all in a manner independent of each other, and yet to a greater or less degree exercising a mutual influence.
The Analytical Engine does not occupy common ground with mere 'calculating machines.' It holds a position wholly its own, and the considerations it suggests are more interesting in their nature.
To every object there correspond an ideally closed system of truths that are true of it and, on the other hand, an ideal system of possible cognitive processes by virtue of which the object and the truths about it would be given to any cognitive subject.
[Young] was afterwards accustomed to say, that at no period of his life was he particularly fond of repeating experiments, or even of very frequently attempting to originate new ones; considering that, however necessary to the advancement of science, they demanded a great sacrifice of time, and that when the fact was once established, that time was better employed in considering the purposes to which it might be applied, or the principles which it might tend to elucidate.
Frequent elections are unquestionably the only policy by which this dependence and sympathy can be effectually secured. But what particular degree of frequency may be absolutely necessary for the purpose, does not appear to be susceptible of any precise calculation; and must depend on a variety of circumstances with which it may be connected. Let us consult experience, the guide that ought always to be followed, whenever it can be found.
Our economic assistance must be carefully targeted, and must make maximum use of the energy and efforts of the private sector... Economic freedom is the world's mightiest engine for abundance and social justice... Developing countries need to be encouraged to experiment with a growing variety of arrangements for profit sharing and expanded capital ownership.
Experimental work of great refinement is necessary in order to determine atomic weights. No relationships between them have yet been certainly found which make it possible for us to compute by any sort of calculation exactly the value of any one atomic weight from any other.
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