It is reported that ʿAbdullaah ibn ʿAmr ibn Al-ʿAas (radhiAllaahu anhu) said:
*"Leave alone what you have nothing to do with, and do not speak about what does not concern you, and secure your tongue like you secure your money."*
[Ibn Ḥibban Al-Busti, Rawḍatu Al-ʿUqalaaʾ 1:55]