When should you use transitions in your writing

Whenever you start moving to a new topic or genre.

When you start a new paragraph, a new topic

Ifound this on google “preview — long walk to freedom by nelson mandela. “i am fundamentally an optimist. whether that comes from nature or nurture, i cannot say. part of being optimistic is keeping one's head pointed toward the sun, one's feet moving forward.” i hope this you for what your looking for.