castles in the air

I want to write something but dont know what to write :) whole day of working without fruitful work is tiring !!! but I am enjoying this phase too..
long back when I was in school on my birthday one very dear friend of mine gave a birthday card with a message....
" If you have built castles in the air , No problem..everyone does .. now put fondation underneath.."
I think the time has come now .. :D