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"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."
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"Who questions much, shall learn much, and retain much."
"A series of disconcerting questions nibbles at hearts of troubled youths. These same unanswered questions, along with their acerbic toxins, reveal their pungent fumes more frequently and with greater intensity as a person rushes headfirst into life's concrete jungle."
"My basic approach to interviewing is to ask the basic questions that might even sound naive, or not intellectual. Sometimes when you ask the simple questions like 'Who are you?' or 'What do you do?' you learn the most."
"Faulkner turned out to be a great teacher. When a student asked a question ineptly, he answered the question with what the student had really wanted to know."
"I can see that you are a true historian because you really always ought to ask that question about anybody at a different place or a different time: What's the same and what's different?"
"And the sculptor woman was so clever in the way she did it. She had the beret just about to leave my hand. So it's attached to this finger and that's what will keep it there. And I'm looking up at it, so there's no question but that that beret is going to fly."
Explore more quotes by Hermann von Helmholtz
"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."
"A moving body whose motion was not retarded by any resisting force would continue to move to all eternity."
"Each individual fact, taken by itself, can indeed arouse our curiosity or our astonishment, or be useful to us in its practical applications."
"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."
"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."
"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."
"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."
"A raised weight can produce work, but in doing so it must necessarily sink from its height, and, when it has fallen as deep as it can fall, its gravity remains as before, but it can no longer do work."
"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."
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