I have called this principle, by which each slight variation, if useful, is preserved… — Charles Darwin
I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection.
I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection.
Other quotes that share a subject, a time, or a voice with this one.
The shield may be as important for victory, as the sword or spear.
Works in other forms that share a subject with this one.


