No doubt what gave special zest to his study of the alkalis was the hope of overthrowing the doctrine of French chemists that oxygen was the e ssential element of every acid. 李贝.西洋科学史.
This comes nearer to overthrowing the doctrine of the conservation of energy, said he, than anything I ever saw. 鲁伯特·萨金特·荷兰.历史性发明.