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  • Chlorine is a deadly poison gas employed on European battlefields in World War I. Sodium is a corrosive metal which burns upon contact with water. Together they make a placid and unpoisonous material, table salt. Why each of these substances has the properties it does is a subject called chemistry.
  • 5 years ago



    Tags : Carl Sagan Quotes , War Quotes , Science Quotes
  • But he who has been earnest in the love of knowledge and of true wisdom, and has exercised his intellect more than any other part of him, must have thoughts immortal and divine. If he attain truth, and in so far as human nature is capable of sharing in immortality, he must altogether be immortal.
  • 5 years ago



    Tags : Plato Quotes , Science Quotes , Religion Quotes
  • The best that Gauss has given us was likewise an exclusive production. If he had not created his geometry of surfaces, which served Riemann as a basis, it is scarcely conceivable that anyone else would have discovered it. I do not hesitate to confess that to a certain extent a similar pleasure may be found by absorbing ourselves in questions of pure geometry.
  • 5 years ago



    Tags : Albert Einstein Quotes , Science Quotes , May Quotes
  • There is another ground of hope that must not be omitted. Let men but think over their infinite expenditure of understanding, time, and means on matters and pursuits of far less use and value; whereof, if but a small part were directed to sound and solid studies, there is no difficulty that might not be overcome.
  • 5 years ago



    Tags : Francis Bacon Quotes , Mean Quotes , Science Quotes
  • Houses were knocked down; streets broken through and stopped; deep pits and trenches dug in the ground; enormous heaps of earth and clay thrown up; buildings that were undermined and shaking, propped by great beams of wood. In short, the yet unfinished and unopened Railroad was in progress.
  • 5 years ago



    Tags : Charles Dickens Quotes , Science Quotes , House Quotes