The invention of electronic computers has made it possible to free man from the labour of complex computations.

This is particularly useful in long and complex stylesheets. You can read more about this at Stop Design.

While the above may seem a bit hefty and overwhelming, there is no need for you to finish writing everything in one sitting; neither is it logical to expect that.

We have this built-in admiration for complexity. And the obvious, which is really your most powerful approach, tends to be not trusted.

All this buzz means we continually have to decide where our attention should be directed. This is tiring.