You are playing football in a park. When you kick the ball,

You are playing football in a park. When you kick the ball, it strikes and breaks the windows pane of a nearby house. You would

1. demand your ball back form the house owner
2. say that it was no fault of yours
3. stealthily get your ball back
4. apologise to the house owner and contribute to replace the glass

As the glass was broken because of your fault, you must apologise to the house owner and contribute to replace the glass.