“… suppose that this great earth were to be an ocean upon which a single yoke were being tossed about by the wind and thus being moved from here to there. And suppose if under that ocean there were a blind turtle, do you think it would be easy for it to insert its head into that yoke when it rises to the surface only once every hundred years? In a similar fashion it is extremely hard to obtain the human state.” -Bodhicharyavatara
