Our labouring spirit convinced us .
We felt that these clouds of black smoke were also important products of culture and that these rough and ready labourers were , after all , leading the true way of life and were the builders of civilization .
Our labouring spirit convinced us and we felt that these clouds of black smoke were also important products of culture and that these rough and ready labourers were , after all , leading the true way of life and were the builders of civilization .