"To suppose that the eye with all its inimitable contrivances for adjusting the focus to different distances, for admitting different amounts of light, and for the correction of chromatic and spherical aberration, could have been formed by natural selection, seems, I freely confess, absurd in the highest degree."
"There is grandeur in this view of life, with its several powers, having been originally breathed into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being, evolved."
"It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change."
"The struggle for existence will always be there."
"Nothing in biology makes sense except in the light of evolution."
