Source: The Rise of Endymion (1997), Chapter 20 (p. 406)
“The vigorous branching of life's tree, and not the accumulating valor of mythical marches to progress, lies behind the persistence and expansion of organic diversity in our tough and constantly stressful world. And if we do not grasp the fundamental nature of branching as the key to life's passage across the geological stage, we will never understand evolution aright.”
"Tales of a Feathered Tail", p. 331
I Have Landed (2002)
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Stephen Jay Gould 274
American evolutionary biologist 1941–2002Related quotes

Source: The origins of order: Self-organization and selection in evolution (1993), p.5
Groups that branch early appear early in the hall... Sea cows and elephants are at the end of the hall, horses in the middle, and primates near the beginning.
"Evolution by Walking", pp. 249-254.
Dinosaur in a Haystack (1995)

Section 6 : Higher Life
Founding Address (1876), Life and Destiny (1913)
Context: Man is like a tree, with the mighty trunk of intellect, the spreading branches of imagination, and the roots of the lower instincts that bind him to the earth. The moral life, however, is the fruit he bears; in it his true nature is revealed.
It is the prerogative of man that he need not blindly follow the law of his natural being, but is himself the author of a higher moral law, and creates it even in acting it out.

Source: Globalization - A Basic Text (2010), Chapter 3, Related Processes I: Imperialism, Colonialism, and More, p. 80