Full Idea
What is perfectly good can accomplish only what is perfectly beautiful; this was and is a universal law.
Gist of Idea
Perfect goodness always produces perfect beauty
Source
Plato (Timaeus [c.362 BCE], 30a)
Book Reference
Plato: 'Timaeus and Critias', ed/tr. Waterfield,Robin [OUP 2008], p.18
A Reaction
Beautiful must be 'kalon', which is better understood here as fine and noble, rather than looking pretty. This is a quintessential Plato opinion. At the highest level, the supreme Forms endorse one another. He is discussing cosmic creation.
Related Idea
Idea 391 We could express the Good as beauty, proportion and truth combined [Plato]