This quote by French playwright Pierre Corneille suggests that having a good memory is vital after informing a lie. It suggests that lying requires one to keep in mind the details of the false story in order to preserve the deceptiveness. This can be an uphill struggle, as one must constantly monitor the lies they have actually told and make sure that they do not contradict themselves. Additionally, it highlights the potential repercussions of lying, as a poor memory might cause getting caught in the lie. Ultimately, this quote works as a suggestion of the value of honesty and the possible pitfalls of deceit.