One of the gladdest moments in human life, methinks, is the departure upon a distant journey into unknown lands. (…) The blood flows with the fast circulation of childhood. Excitement lends unwonted vigour to the muscles, and the sudden sense of freedom adds a cubit to the mental stature.
Trecho de 1866 do diário do explorador britânico Richard Burton, em seu livro “Zanzibar: City, Island, and Coast“, de 1872
