let us bear in mind also the travellers who come home enraptured by the general beauty of a tour of which, from day to day, they have felt nothing but the tedious incidents; and let us then declare whether, in the communal life that is led by our ideas in the enclosure of our minds, there is a single one of those that make us most happy which has not first sought, a very parasite, and won from an alien but neighbouring idea the greater part of the strength that it originally lacked.
