To measure or not to measure. That is the question. Whether 'tis better in the kitchen to suffer the dangers of guesstimating, or to take measuring cups and tablespoons against them, and thereby to eliminate them. To measure, and be precise. Ah, but there’s the rub, for in the tedium of that precision, what errors and burned dishes may come?
The fight is probably as old as the first written recipe. Is the cook a chemist, whose job is to calculate precise measurements and stick to them, or an artist, basing her/his recipes on feel?
There is a great deal of amateur chemistry in cooking. There are often precise volumes of different materials that produce different effects, and precise temperatures for certain reactions. And there are plenty of rules you can take for granted: