How do you know...?

"How do you know what is a dream if you never accomplished one.
How do you know what is an adventure if you never took part in one.
How do you know what is anguish if you never said goodbye to your family and friends with your eyes full of tears.

How do you know what is to be desperate, if you never arrived in a place alone and could not understand a word of what everyone else was saying.
How do you know what is diversity if you never lived under the same roof with people from all over the world?
How do you know what is tolerance, if you never had to get used to something different, even if you didn’t like it.
How do you know what it means to grow up, if you never stopped being a child, to start a new course?
How do you know what is like to be helpless, if you never sought for help.
How do you know what distance is, if you never, looked at a map, and said? "I am so far away from home”
How do you know what is a language, if you never had to learn one to make new friends.
How do you know what is an opportunity, if you never caught one.
How do you know what is pride, if you never experienced it for yourself at realizing how much you have accomplished.
How do you know what it is to seize the day, if you never took the chance.
How do you know what is a friend, if the circumstances never showed you the true ones.
How do you know what is a family, if you never had one that supported you unconditionally.
How do you know what are borders, if you never crossed yours, to see what there was on the other side.
How do you know what is imagination, if you never thought about the moment when you would go back home.
How do you know the world, if you have never been an exchange student?"