Have you the conscience to [demand such a price]. Can your conscience
allow you to [demand such a price]. Conscience is the secret monitor
within man which accuses or excuses him, as he does what he thinks to
be wrong or right.
In all conscience.
As, “And enough too, in all conscience.” Meaning that the demand
made is as much as conscience would tolerate without accusing the
person of actual dishonesty; to the verge of that fine line which
separates honesty from dishonesty.
An oath. I swear by my conscience.
Court of Conscience.
Established for the recovery of small debts in London and other
trading places. These courts have been superseded by county courts.
Why should not Conscience have vacation,
As well as other courts o' the nation?
Butler: Hudibras, ii. 2.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894