It Required 85 Parts By

We Must Trust To Nothing But Facts: These Are Presented To Us By Nature, And Cannot Deceive. We Ought, In Every Instance, To Submit Our Reasoning To The Test Of Experiment, And Never To Search For Truth But By The Natural Road Of Experiment And Observation.

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.

One Succeeds In Obtaining An Equivalent Production At A Lower Price By Improving The Arts, Trades And Agriculture And By Developing The Physical And Moral Qualities Of Workers, Farmers And Craftsmen.

It Is Almost Possible To Predict One Or Two Days In Advance, Within A Rather Broad Range Of Probability, What The Weather Is Going To Be; It Is Even Thought That It Will Not Be Impossible To Publish Daily Forecasts, Which Would Be Very Useful To Soci.

The Art Of Drawing Conclusions From Experiments And Observations Consists In Evaluating Probabilities And In Estimating Whether They Are Sufficiently Great Or Numerous Enough To Constitute Proofs. This Kind Of Calculation Is More Complicated And More Difficult Than It Is Commonly Thought To Be. . . .