Is it permissible to monitor speech and classify it as "rewarded, not rewarded, sinful" in order to avoid sin, and to record daily good and bad deeds to increase the former and decrease the latter? Is a person held accountable for excessive ordinary speech for which there is no reward? And how can one reconcile jesting with not lying?

A Muslim must hold himself accountable and monitor what he says, so that his tongue becomes accustomed to speaking good. The pious predecessors held themselves accountable and guarded their tongues. The jurists have stipulated that one's tongue should be restrained except for good, and that nothing equals safety. Scholars have differed on what is recorded for a person from their speech; some hold that everything is recorded, while others believe that only what entails reward or punishment is recorded. As for joking, it should involve truthfulness and be infrequent, because excessive joking can lead to lying, vulgar language, and perhaps even mockery of religion.