Sirach 5:15

15 Don't be ignorant in matters large or small.

Sirach 5:15 In-Context

13 Speaking brings glory or dishonor. Indeed, the tongue can be a person's downfall.

14 Don't get a reputation for being a slanderer, and don't set traps for people with your speech, because shame comes to the thief, and terrible blame comes upon the deceitful.

15 Don't be ignorant in matters large or small.