Explorers only come to know the level of risk they took after they tried. Until we haven’t tried, all elucubrations remain possible.
From a more global perspective, I feel more risk – for myself, and mostly for the next generations – in coping with and perpetuating the current system. Somehow we face the emigrant’s dilemma: emigrating sends him/her into an uncertain and risky future, but it still remains a much better choice than not moving.
That said, beyond these rational explanations, a creative call drives me at a deeper level. How can an explorer resist to the call of the open sea?