The facts of variability, of the struggle for existence, of adaptation to conditions, were notorious enough; but none of us had suspected that the road to the heart of the species problem lay through them, until Darwin and Wallace dispelled the darkness.


Life and Letters of Thomas Huxley, by His Son, Leonard Huxley (ed. 1908)

Thomas Henry Huxley Quotes

The facts of variability, of the struggle for existence, of adaptation to conditions, were notorious enough; but none of us had suspected that the...

The facts of variability, of the struggle for existence, of adaptation to conditions, were notorious enough; but none of us had suspected that the...

The facts of variability, of the struggle for existence, of adaptation to conditions, were notorious enough; but none of us had suspected that the...

The facts of variability, of the struggle for existence, of adaptation to conditions, were notorious enough; but none of us had suspected that the...