Sentence:  In Berlin he published his <WSD>views</WSD> of the chemical laws of nature in German and this was issued in French translation ( Paris , 1813 ) under the title Recherches sur l ' identite des forces chimiques et electriques , a work held in very high esteem by the new generation of research chemists . 
Meaning of the word marked with <WSD> tags:  a message expressing a belief about something; the expression of a belief that is held with confidence but not substantiated by positive knowledge or proof