Nothing Is Born, Nothing Dies.

Sulfur, When Burning, Absorbs Oxygen Gas; The Resulting Acid Is Considerably Heavier Than The Sulfur Burned; Its Weight Is Equal To The Sum Of Weights Of The Sulfur Burned And The Oxygen Absorbed.

In Performing Experiments, It Is Necessary... That They Be Simplified As Much As Possible, And That Every Circumstance That Could Complicate The Results Should Be Completely Removed.

The Impossibility Of Separating The Nomenclature Of A Science From The Science Itself, Is Owing To This, That Every Branch Of Physical Science Must Consist Of Three Things; The Series Of Facts Which Are The Objects Of The Science, The Ideas Which Represent These Facts, And The Words By Which These Ideas Are Expressed. Like Three Impressions Of The Same Seal, The Word Ought To Produce The Idea, And The Idea To Be A Picture Of The Fact.

Languages Are True Analytical Methods.

The Whole Art Of Making Experiments In Chemistry Is Founded On The Principle: We Must Always Suppose An Exact Equality Or Equation Between The Principles Of The Body Examined And Those Of The Products Of Its Analysis.