Negligible causes may have surprising power when they act without interruption.
Gist of Idea
Small uninterrupted causes can have big effects
Jean-Jacques Rousseau (Discourse on the Origin of Inequality , Part I)
A wonderfully simple observation that is a key idea of the theory of evolution. If life was created 6,000 years ago, evolution is impossible. If it appeared 500,000,000 years ago, how could evolution NOT occur? Little changes must occur.
Rousseau,Jean-Jacques: 'The Basic Political Writings', ed/tr. Cress,Donald A. [Hackett 1987], p.59