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"The older view of the nature of heat was that it is a substance, very fine and imponderable indeed, but indestructible, and unchangeable in quantity, which is an essential fundamental property of all matter."
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"The Peace of Wild ThingsWhen despair for the world grows in meand I wake in the night at the least soundin fear of what my life and my children's lives may be,I go and lie down where the wood drakerests in his beauty on the water, and the great heron feeds.I come into the peace of wild thingswho do not tax their lives with forethoughtof grief. I come into the presence of still water.And I feel above me the day-blind starswaiting with their light. For a timeI rest in the grace of the world, and am free."
"The last scud of day holds back for me, It flings my likeness after the rest and true as any on the shadow'd wilds, It coaxes me to the vapor and the dusk.I depart as air, I shake my white locks at the runaway sun, I effuse my flesh in eddies, and drift it in lacy jags.I bequeath myself to the dirt to grow from the grass I love, If you want me again look for me under your boot-soles.You will hardly know who I am or what I mean, But I shall be good health to your nevertheless,And filter and fibre your blood.Failing to fetch me at first keep encouraged,Missing me one place, search another,I stop somewhere waiting for you."
"Every mind should reflect to touch the green of life through trees."
"Then the immortal heart of the woods will beat against ours and its subtle life will steal into our veins and make us its own forever, so that no matter where we go or how widely we wander we shall yet be drawn back to the forest to find our most enduring kinship."
"The pale pink light of dawn sparkled on branch and leaf and stone. Every blade of grass was carved from emerald, every drip of water turned to diamond. Flowers and mushrooms alike wore coats of glass. Even the mud puddles had a bright brown sheen. Through the shimmering greenery, the black tents of his brothers were encased in a fine glaze of ice. So there is magic beyond the Wall after all."
"Who would dare assign to art the sterile function of imitating nature?"
Explore more quotes by Hermann von Helmholtz
"A moving body whose motion was not retarded by any resisting force would continue to move to all eternity."
"You all know how powerful and varied are the effects of which steam engines are capable; with them has really begun the great development of industry which has characterised our century before all others."
"But heat can also be produced by the friction of liquids, in which there could be no question of changes in structure, or of the liberation of latent heat."
"Windmills, which are used in the great plains of Holland and North Germany to supply the want of falling water, afford another instance of the action of velocity. The sails are driven by air in motion - by wind."
"Now, the external work of man is of the most varied kind as regards the force or ease, the form and rapidity, of the motions used on it, and the kind of work produced."
"Reason we call that faculty innate in us of discovering laws and applying them with thought."
"What appeared to the earlier physicists to be the constant quantity of heat is nothing more than the whole motive power of the motion of heat, which remains constant so long as it is not transformed into other forms of work, or results afresh from them."
"Heat can also be produced by the impact of imperfectly elastic bodies as well as by friction. This is the case, for instance, when we produce fire by striking flint against steel, or when an iron bar is worked for some time by powerful blows of the hammer."
"The law in question asserts, that the quantity of force which can be brought into action in the whole of Nature is unchangeable, and can neither be increased nor diminished."
"I then endeavoured to show that it is more especially in the thorough conformity with law which natural phenomena and natural products exhibit, and in the comparative ease with which laws can be stated, that this difference exists."
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