I've learned, I think, to be able to distinguish between the necessary and the unnecessary as far as my limited outside time is concerned. Saying "no" politely is a necessity if one wants to lead any kind of stable life. ↗
Prior to the PATRIOT Act, the ability of government agencies to share information with each other was limited, which kept investigators from fully understanding what terrorists might be planning and to prevent their attacks. ↗
Science fiction writers, I am sorry to say, really do not know anything. We can't talk about science, because our knowledge of it is limited and unofficial, and usually our fiction is dreadful. ↗
We are stymied by regulations, limited choice and the threat of litigation. Neither consultants nor industry itself provide research which takes architecture forward. ↗
Science goes from question to question; big questions, and little, tentative answers. The questions as they age grow ever broader, the answers are seen to be more limited. ↗