Full Idea
I think that quantum mechanics has revealed three aspects of the nature of things: granularity, indeterminacy, and the relational structure of the world.
Gist of Idea
Nature has three aspects: granularity, indeterminacy, and relations
Source
Carlo Rovelli (Reality is Not What it Seems [2014], 04)
Book Reference
Rovelli,Carlo: 'Reality is Not What it Seems', ed/tr. Carnell/Segre [Penguin 2016], p.111