We're as clever as we think we are but we'll be a lot cleverer when we learn to use not just one brain but to pool huge numbers of brains. We're at a level technologically where we can share information and think collectively about our problems. We do it in science all the time - there's no reason why we can't do it in other endeavors.
As I approach my 88th birthday it's become apparent to me that my eyes and ears among other appurtenances aren't quite what they used to be. The prospect of long flights to wherever in search of whatever are not quite as appealing.