Exploring new horizons gives us the opportunity to know ourselves in a bigger, deeper way. It evolves us. Change, evolution our necessary for our survival.
Given the current events on our planet a new frontier is a good solution to our current problems. It can bring into perspective who we are as humans here on earth, unite us in a common, worthy, exciting goal.
Mars One offers this opportunity by creating a mission to Mars with the intention to create a human settlement.
Here is what the founders have to say.