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action adapted animal answer appears bear birds blood body bones called carried cause cavity close communication concerning consequence considerable considered constitution contraction contrivance course covered depends direction distinct effect evident example existence experience fish fixed fluid force further give given hand head heart human insects instance intelligence joint kind laws least less light living lungs manner means mechanism membrane mind motion mouth muscles namely nature necessary never object observed operation organ original particular pass perhaps plants position present principle probably produced properties reason receive relation remark requires respect rest round seed sense separate side species stomach structure substance sufficient supply suppose surface teeth tendons thing tion true turn variety wanted watch whilst whole wings
Página 482 - If he had been indifferent about our happiness or misery, we must impute to our good fortune (as all design by this supposition is excluded) both the capacity of our senses to receive pleasure, and the supply of external objects fitted to produce it.
Página 452 - Swarms of new-born flies are trying their pinions in the air. Their sportive motions, their wanton mazes, their gratuitous activity, their continual change of place without use or purpose, testify their joy, and the exultation which they feel in their lately discovered faculties.
Página 18 - I mean that the contrivances of nature surpass the contrivances of art in the complexity, subtilty, and curiosity of the mechanism ; and still more, if possible, do they go beyond them in number and variety : yet, in a multitude of cases, are not less evidently mechanical, not less evidently contrivances, not less evidently accommodated to their end, or suited to their office, than are the most perfect productions of human ingenuity.
Página 464 - ... this is to irritate; this to inflame; this duct is to convey the gravel to the kidneys; this gland to secrete the humor which forms the gout.
Página 1 - In crossing a heath, suppose I pitched my foot against a stone, and were asked how the stone came to be there ; I might possibly answer that, for anything I knew to the contrary, it had lain there for ever ; nor would it perhaps be very easy to show the absurdity of this answer.
Página 1 - I knew to the contrary, it had lain there for ever: nor would it perhaps be very easy to show the absurdity of this answer. But suppose I had found a watch upon the ground, and it should be inquired how the watch happened to be in that place; I should hardly think of the answer which...
Página 462 - He might have made, for example, every thing we tasted, bitter; every thing we saw, loathsome ; every thing we touched, a sting: every smell, a stench; and every sound, a discord.
Página 154 - The aorta of a whale is larger in the bore than the main pipe of the water-works at London Bridge ; and the water roaring in its passage through that pipe is inferior, in impetus and velocity, to the blood gushing from the whale's heart.
Página 7 - And not less surprised to be informed that the watch in his hand was nothing more than the result of the laws of metallic nature.
Página 7 - A law presupposes an agent ; for it is only the mode, according .to which an agent proceeds : it implies a power ; for it is the order, according to which that power acts. Without this agent, without this power, which are both distinct from itself, the hue does nothing, is nothing. The expression, " the law of metallic nature...