three repairman per twenty machines are much more economical than one repairman per six machines. William Feller
There are so many ways of being wrong and so few ways of being right that it is much more economical to study successes. Richard Hamming
If you've noticed that I don't use long takes, it's not because I don't like them, but because no one gives me the necessary means to treat myself to them. It's more economical to make one image, then this image and then that image, and try to control them later, in the editing studio. Orson Welles
Drawing is not only a way to come up with pictures: drawing is a way to educate your eye to understand visual information, organizing it into a more hierarchical way, a more economical way. When you see something, if you draw often and frequently, you examine a room very differently. Vik Muniz