Sentence:  You see a person, who, added to yourself, would make, you think, a glorious being, and you proceed to idealize accordingly; you stand on his head, and outtower the tallest; you <WSD>club</WSD> your brains with his, and are wiser than the wisest; you add the heat of your heart to his, and produce a very furnace of love. 
Meaning of the word marked with <WSD> tags:  To unite, or contribute, for the accomplishment of a common end.