At that time there had been arranged at the offices in Abchurch Lane a mode of double ingress and egress,--a front stairs and a back stairs approach and exit, as is always necessary with very great men,--in reference to which arrangement the honour and dignity attached to each is exactly contrary to that which generally prevails in the world; the front stairs being intended for everybody, and being both slow and uncertain, whereas the back stairs are quick and sure, and are used only for those who are favoured. 
His offices in Abchurch Lane had a front stairs and a back stairs; the front stairs being intended for everybody, whereas the back stairs were only for those who were favoured. 