Carl Sagan Quote

The pattern of evolutionary causality is a web of astonishing complexity; the incompleteness of our understanding humbles us.


Cosmos, Chapter XI (p. 234)


The pattern of evolutionary causality is a web of astonishing complexity; the incompleteness of our understanding humbles us.

The pattern of evolutionary causality is a web of astonishing complexity; the incompleteness of our understanding humbles us.

The pattern of evolutionary causality is a web of astonishing complexity; the incompleteness of our understanding humbles us.

The pattern of evolutionary causality is a web of astonishing complexity; the incompleteness of our understanding humbles us.