Sentimentality and nostalgia are closely related. Kissing cousins. I have no time for nostalgia, though. Nostalgics believe the past is nicer than the present. It isn't. Or wasn't. Nostalgics want to cuddle the past like a puppy. But the past has bloody teeth and bad breath. I look into its mouth like a sorrowing dentist.
Mal PeetAlgebra messed up one of those divisions between things that help you make sense of the world and keep it tidy. Letters make words; figures make numbers. They had no business getting tangled up together.
Mal PeetGrandad taught me that the alien signs and symbols of algebraic equations were not just marks on paper. They were not flat. They were three-dimensional, and you could approach them from different directions, look at them from different ways, stand them on their heads. You could take them apart and put them back together in a variety of shapes, like Legos. I stopped being scared of them.
Mal Peet