I sometimes wonder if I will ever stop being interested in things. Will there come a time when being curious fades away? If that should happen is it a sign that the end is approaching? Why have we been designed to be curious? I guess at an evolutionary level it starts with learning about what things to avoid and what things to approach. identifying the things that are good for us and the things that are bad for us. Some people stop being curious. You can see this when they behave 'as if' they have made it or cracked it. They mistakenly believe they have the answers. Perhaps they should take heed of Socrates - "I am the wisest man alive, for I know one thing, and that is that I know nothing. "