If one were not animated with the desire to discover laws, they would escape the most enlightened attention.
In the natural sciences, and particularly in chemistry, generalities must come after the detailed knowledge of each fact and not before it.
We are perhaps not far removed from the time when we shall be able to submit the bulk of chemical phenomena to calculation.
At Arcueil ... I dined in distinguished company... There was a lot of very interesting discussion. It is these gatherings which are the joy of life.
Compounds of gaseous substances with each other are always formed in very simple ratios, so that representing one of the terms by unity, the other is 1, 2, or at most 3 ... The apparent contraction of volume suffered by gas on combination is also very simply related to the volume of one of them.
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