Nature

Robert A. Heinlein on Nature

Browse 6 quotations attributed to Robert A. Heinlein, catalogued under nature, with dates where available.

Literature
United States
6 quotes

This page displays 6 quotations attributed to Robert A. Heinlein and filed under "nature" in QuoteLineage. The selection is ordered by stored importance and quality scores, not citation counts. A topic label describes how an entry is catalogued; it does not establish the theme's importance in the author's work.

Attributed to Robert A. Heinlein, entry #212464: "Attend me. How do you prove that there are eggs in a bird’s nest? Don’t strain your gray matter: go climb the tree and find out. There is no other way."

Attributed to Robert A. Heinlein, entry #124336: "Natural selection—the dying out of the poorly equipped—goes on day in and day out, inexorable and automatic. It is as tireless, as inescapable, as entropy."

6 Quotes by Robert A. Heinlein on Nature