I know it must be standard english
Answer:
Briefly explain what the mistake was, but don't dwell on it.
Quickly switch over to what you learned or how you improved, after making that mistake.
You might also explain the steps you took to make sure that the mistake never happened again.
Explanation:
The theme is the message an author is trying to send, or the main idea. The author's purpose is the reason an author writes something, whether it be to inform, entertain, etc.
Answer:
It's because books give us many education which helps us and also a friend is said a friend when he/her helps us so books are also our friends.
In my view