Joseph Priestley Quote

In completing one discovery we never fail to get an imperfect knowledge of others of which we could have no idea before, so that we cannot solve one doubt without creating several new ones.


Experiments and Observations on Different Kinds of Air (1774), vii


In completing one discovery we never fail to get an imperfect knowledge of others of which we could have no idea before, so that we cannot solve one...

In completing one discovery we never fail to get an imperfect knowledge of others of which we could have no idea before, so that we cannot solve one...

In completing one discovery we never fail to get an imperfect knowledge of others of which we could have no idea before, so that we cannot solve one...

In completing one discovery we never fail to get an imperfect knowledge of others of which we could have no idea before, so that we cannot solve one...