“Adapt or perish, now as ever, is Nature's inexorable imperative.”
The Mind at the End of its Tether (1945), p. 19
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H. G. Wells 142
English writer 1866–1946Related quotes
Source: The Evolution of Civilizations (1961) (Second Edition 1979), Chapter 2, Man and Culture, p. 63

Source: Mendel's Principles of Heredity (1913), Chapter XV, p. 289.
Source: Leonardo's Mountain of Clams and the Diet of Worms (1998) Triumph of the Root-Heads, p. 355

“To lead in an ever-changing world, leaders must adapt and stay nimble.”
Top 15 quotes from PepsiCo CEO Indra Nooyi

Quote (1911), Diary # 873; as cited by Francesco Mazzaferro, in 'The Diaries of Paul Klee Part Four', : Klee as an Expressionist and Constructivist Painter http://letteraturaartistica.blogspot.nl/2015/05/paul-klee-ev27.html
1911 - 1914