A quote from Kin Hubbard

There's no secret about success. Did you ever know a successful man who didn't tell you about it?

A Quote from Alex Levin

The reason there is so little crime in Germany is that it's against the law.

wear and tear

the damage that happens to an object or a person when they are used or when they do something
The guarantee covers accidental damage but not ordinary wear and tear.
She made everyone wear slippers inside the house to avoid wear and tear on the carpet. [often + on]
The wear and tear of life in a busy office has taken its toll on our staff.

Listen in

to secretly listen to a conversation, especially a telephone conversation
Jo had picked up the extension phone and was listening in.
I was sure that someone was listening in on our conversation. [often + on]
The Secret Services are able to listen in to conversations on mobile phones by using a special device. [often + to]

to listen to a radio programme
The programme is very popular and thousands of people listen in every week.
I usually listen in to the 9 o'clock news as I'm driving to work. [often + to]

Swear

verb [I] swore, sworn

to use words that are rude or offensive as a way of emphasizing what you mean or as a way of insulting someone or something:

It was a real shock, the first time I heard my mother swear.
When the taxi driver started to swear at him, he walked off.