• Categories
  • Science Quotes   676
  • We are consuming our forests three times faster than they are being reproduced. Some of the richest timber lands of this continent have already been destroyed, and not replaced, and other vast areas are on the verge of destruction. Yet forests, unlike mines, can be so handled as to yield the best results of use, without exhaustion, just like grain fields.
  • 5 years ago



    Tags : Theodore Roosevelt Quotes , Science Quotes , Land Quotes
  • The cigar-box which the European calls a 'lift' needs but to be compared with our elevators to be appreciated. The lift stops to reflect between floors. That is all right in a hearse, but not in elevators. The American elevator acts like a man's patent purge-it works.
  • 5 years ago



    Tags : Mark Twain Quotes , Science Quotes , Men Quotes
  • If it were possible for us to have so deep an insight into a man's character as shown both in inner and in outer actions, that every, even the least, incentive to these actions and all external occasions which affect them were so known to us that his future conduct could be predicted with as great a certainty as the occurrence of a solar or lunar eclipse, we could nevertheless still assert that the man is free.
  • 5 years ago



    Tags : Immanuel Kant Quotes , Character Quotes , Science Quotes
  • It was basic research in the photoelectric field-in the photoelectric effect that would one day lead to solar panels. It was basic research in physics that would eventually produce the CAT scan. The calculations of today's GPS satellites are based on the equations that Einstein put to paper more than a century ago.
  • 5 years ago



    Tags : Barack Obama Quotes , Cat Quotes , Science Quotes
  • But in physics I soon learned to scent out the paths that led to the depths, and to disregard everything else, all the many things that clutter up the mind, and divert it from the essential. The hitch in this was, of course, the fact that one had to cram all this stuff into one's mind for the examination, whether one liked it or not.
  • 5 years ago



    Tags : Albert Einstein Quotes , Science Quotes , Mind Quotes