That sculpture is more admirable than painting for the reason that it contains relief and painting does not is completely false. ... Rather, how much more admirable the painting must be considered, if having no relief at all, it appears… — Galileo Galilei Copy Share Image
In my opinion painting should be considered excellent in proportion as it approaches the effect of relief, while relief should be considered bad in proportion as it approaches the effect of painting. — Michelangelo Copy Share Image