XXIII.

_MADAM,_

Concerning your question, _Whether a Point be something, or nothing,

or between both_; My opinion is, that a natural point is material;

but that which the learned name a Mathematical point, is like their

Logistical Egg, whereof there is nothing in Nature any otherwise,

but a word, which word is material, as being natural; for concerning

immaterial beings, it is impossible to believe there be any in Nature;

and though witty Students, and subtil Arguers have both in past, and

this present age, endeavoured to prove something, nothing; yet words

and disputes have not power to annihilate any thing that is in Nature,

no more then to create something out of nothing; and therefore they can

neither make something, nothing; nor nothing to be something: for the

most witty student, nor the subtilest disputant, cannot alter Nature,

but each thing is and must be as Nature made it. As for your other

question, _Whether there be more then five Senses?_ I answer: There

are as many senses as there are sensitive motions, and all sensation

or perception is by the way of patterning; and whosoever is of another

opinion, is, in my judgment, a greater friend to contradiction, then to

truth, at least to probability. Lastly, concerning your question, why a

Gun, the longer its barrel is made, the further it will shoot, until it

come to a certain degree of length; after which, the longer it is made,

the weaker it becomes, so that every degree further, makes it shoot

shorter and shorter, whereas before it came to such a degree of length,

it shot further and further: Give me leave to tell you, _Madam_, that

this question would be put more properly to a Mathematician, then to

me, who am ignorant in the Mathematicks: However, since you are pleased

to desire my opinion thereof, I am willing to give it you. There are,

in my judgment, but three reasons which do produce this alteration:

The one may be the compass of the stock, or barrel, which being too

wide for the length, may weaken the force, or being too narrow for the

length, may retard the force; the one giving liberty before the force

is united, the other inclosing it so long by a streight passage, as

it loses its force before it hath liberty; so that the one becomes

stronger with length, the other weaker with length. The second reason,

in my opinion, is, That degrees of strength may require degrees of the

_medium_. Lastly, It may be, that Centers are required for degrees of

strength; if so, every _medium_ may be a Center, and the middle length

to such a compass may be a Center of such a force. But many times the

force being weaker or stronger, is caused by the good or ill making of

the Powder, or Locks, or the like. But, _Madam_, such questions will

puzle me as much as those of Mr. _V. Z._ concerning those glasses,

one of which being held close in ones hand, and a little piece being

broke of its tail, makes as great a noise as the discharging of a

Gun: Wherefore I beseech you, _Madam_, do not trouble my brain with

Mathematical questions, wherein I have neither skill, learning, nor

experience by Practice; for truly I have not the subtilty to find out

their mystery, nor the capacity to understand arts, no more then I am

capable to learn several languages. If you command me any thing else I

am able to do, assure your self, there is none shall more readily and

cheerfully serve you then my self; who am, and shall ever continue,

Madam,

_Your Faithful Friend_

_and Servant._

Philosophical Letters: or, modest Reflections upon some Opinions in Natural Philosophy · 第 158 / 169 题