The extension of Black's method by the physicist Lavoisier led to the downfall of the purely qualitative theory of phlogiston, and gave to chemistry the true methods of investigation, and its first great quantitative law-the law of conservation of matter.
J. R. PartingtonRelated topics
chemistry conservation extension great law led matter physicist qualitative lavoisierRelated quotes
The world has arisen in some way or another. How it originated is the great question, and Darwin's theory, like all other attempts to explain the origin of life, is thus far merely conjectural. I believe he has not even made the best conjecture possible in the present state of our knowledge.
Louis Agassiz
I shall add that only he who has decided to commit suicide can start a nuclear war in the hope of emerging a victor from it. No matter what the attacker might possess, no matter what method of unleashing nuclear war he chooses, he will not attain his aims. Retribution will inevitably ensue.
Leonid Brezhnev
