Regulations of enjoining good and forbidding evil

When is it Obligatory to Enjoin Good and Forbid Evil?

When is it Obligatory to Enjoin to the Good and Forbid from Evil?
14:45 - 2018/01/02

It is obligatory to enjoin good and forbid evil when you know that your advice will be be heeded.

 Enjoining Good and Forbidding Evil

Enjoining to the Good and Forbidding from Evil
13:14 - 2018/01/02

Whoever enjoins good and forbids evil must know what the good and evil are.