Friendship .... What friendship it's?

-Friendship?
- A big word for someone that don't understand it!
Here are some quotes about friendship:

1)A real friend is one who walks in the rest of world walks out.
2)Walking  with a friend in dar it's better than walking alone in light.
3)There is nothing on this earth more to be prized than true friendship.
4)A single rose can be my garden ... a single friend , my world
5)A friend is what the heart needs all the time.