Science... dominates all things, it alone is of any definite utility. No man, no institution shall henceforth have an enduring authority if they do n… - Marcellin Berthelot

There abides in nature a certain form of matter which, being discovered and brought by art to perfection, converts to itself, proportionally, all imperfect bodies that it touches. ...It rested on the indisputable appearance of an indefinite cycle of transformations, reproducing themselves in chemical operations, without either beginning or end.

The word truth can not be used outside of science without a misuse of terms.

Chemistry is not a primitive science, like geometry or astronomy; it is constructed from the debris of a previous scientific formation; a formation half chimerical and half positive, itself founded on the treasure slowly amassed by the practical discoveries of metallurgy, medicine, industry, and domestic economy. It has to do with alchemy, which pretended to enrich its adepts by teaching them to manufacture gold and silver, to shield them from diseases by the preparation of the , and finally to obtain for them perfect felicity by identifying them with the soul of the world and the universal spirit.