"...There is delight of working in such a tractable medium. The programmer, like the poet, works only slightly removed from pure thought-stuff. He builds his castles in the air, from air, creating by exertion of the imagination. Few media of creation are so flexible, so easy to polish and rework, so readily capable of realizing grand conceptual structures..."
- Fred Brooks in The Mythical Man-Month
If you haven't read The Mythical Man-Month, I really recommend you do. It's a fantastic read for software engineers. It's funny that it was first published in 1975, and yet its completely relevant today. The problems Brooks describes in the book can still be encountered in the software development world today.