The brain within its groove The brain within its groove Runs evenly and true; But let a splinter swerve, T'were easier for you To put the water back When floods have slit the hills, And scooped a turnpike for themselves, And blotted out the mills! Emily Dickinson, The Collected Poems of Emily Dickinson insanitymind
Up and Down the Ladder of Abstraction An Essay by Bret Victor worrydream.com The most powerful way to gain insight into a system is by moving between levels of abstraction. Many designers do this instinctively. But it's easy to get stuck on the ground, experiencing concrete systems with no higher-level view. It's also easy to get stuck in the clouds, working entirely with abstract equations or aggregate statistics. This interactive essay presents the ladder of abstraction, a technique for thinking explicitly about these levels, so a designer can move among them consciously and confidently. From a roving viewpoint abstractionunderstandinginteraction