As a human being, member of society, you must clearly state your mind. It's a responsibility. It is the way you identify yourself otherwise you don't know who you are and why you are here.
Then I realized that secrecy is actually to the detriment of my own peace of mind and self, and that I could still sustain my belief in privacy and be authentic and transparent at the same time. It was a pretty revelatory moment, and there's been a liberating force that's come from it.
The way to find out about our place in the universe is by examining the universe and by examining ourselves - without preconceptions, with as unbiased a mind as we can muster.
The human mind prefers to be spoon-fed with the thoughts of others, but deprived of such nourishment it will, reluctantly, begin to think for itself - and such thinking, remember, is original thinking and may have valuable results.