"No man could have been better qualified to give advice to sufferers for righteousness' sake, than John Bunyan: and this work is exclusively devoted to that object. Shut up in a noisome jail, under the iron hand of persecution, for nearly thirteen years, in the constant fear of being hanged as a malefactor, for refusing conformity to the national liturgy, he well knew what sufferings were, and equally well did he know the sources of consolation."
