For philosophic theory has no Aladdin's lamp to summon into immediate existence the values which it intellectually constructs. 约翰·杜威.民主与教育.
These are the steps by which Plato constructs the first or primitive State, introducing the elements of political economy by the way. 柏拉图.理想国.
He is not an inventor as much as he is a detective; he picks up the clews to certain happenings and constructs a working theory to fit them. 鲁伯特·萨金特·荷兰.历史性发明.
In mechanics this theory that he constructs usually takes the form of a machine. 鲁伯特·萨金特·荷兰.历史性发明.