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A fact acquires its true and full value only through the idea which is developed from it.
Justus von Liebig
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In the progressive growth of astronomy, physics or mechanical science was developed, and when this had been, to a certain degree, successfully cultivated, it gave birth to the science of chemistry.
Justus von Liebig
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I have learnt that all our theories are not Truth itself, but resting places or stages on the way to the conquest of Truth, and that we must be contented to have obtained for the strivers after Truth such a resting place which, if it is on a mountain, permits us to view the provinces already won and those still to be conquered.
Justus von Liebig
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It has been said that every science must pass through three periods of development. The first is that of presentiment, or of faith; the second is that of sophistry; and the third is that of sober research.
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Since the discovery of oxygen the civilised world has undergone a revolution in manners and customs. The knowledge of the composition of the atmosphere, of the solid crust of the earth, of water, and of their influence upon the life of plants and animals, was linked to that discovery. The successful pursuit of innumerable trades and manufactures, the profitable separation of metals from their ores, also stand in the closest connection therewith.
Justus von Liebig
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The art of observing is like a piece of glass destined for a mirror, which requires to be polished with the utmost care, to produce the reflection of a clear and undistorted image.
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The discovery of the conditions of a phenomenon is the first and most important requisite for its explanation. They must be ascertained and established by observation. The mode of inquiry and observation depends on the art of the scientific man; the skilful putting of the questions displays the powers of his mind.
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Science confers power, not money; and power is the source of riches and of poverty, - of riches when it produces, and of poverty when it destroys.
Justus von Liebig
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Our children have more correct notions of nature and natural phenomena than had Plato! they may treat with ridicule the errors!
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Every new discovery opens up wider and richer fields to our researches ; and in the laws of nature we are still ever seeking the "virgin earth" of the alchemist, a search which can never have an end.
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It is an indisputable requirement in organic chemistry that we refrain from stripping the phenomena, not yet clarified, of the charm that lies precisely in their obscurity.
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Thus the progress of science is, like the development of nature's works, gradual and expansive. After the buds and branches spring forth the leaves and blossoms, after that blossoms the fruit.
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Chemistry is the foundation of agriculture, and we cannot hope to give a scientific form and basis to this important art without a knowledge of the constituents of the soil, and of the substances which constitute the food of plants.
Justus von Liebig
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Chemistry leads man into the domain of those latent forces, whose power controls the whole material world, and on whose operation is dependent the production of the most important necessaries of life and of society.
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A thousand unconnected observations have no more value, as a demonstrative proof, than a single one.
Justus von Liebig
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Quote of the day
Now if the harvest is over, And the world cold, Give me the bonus of laughter, As I lose hold.
John Betjeman
Justus von Liebig
Creative Commons
Born:
May 12, 1803
Died:
April 18, 1873
(aged 69)
Bio:
Justus Freiherr von Liebig was a German chemist who made major contributions to agricultural and biological chemistry, and was considered the founder of organic chemistry.
Known for:
Familiar Letters On Chemistry
Familiar Letters of Chemistry
Most used words:
chemistry
science
truth
manure
soil
natural
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