I can remember the very spot in the road, whilst in my carriage, when to my joy the solution occurred to me.

We will now discuss in a little more detail the Struggle for Existence.

Why, if species have descended from other species by insensibly fine gradations, do we not everywhere see innumerable transitional forms.

...conscience looks backwards and judges past actions, inducing that kind of dissatisfaction, which if weak we call regret, and if severe remorse.

What wretched doings come from the ardor of fame; the love of truth alone would never make one man attack another bitterly.

If I had life to live over again, I would give my life to poetry, to music, to literature, and to art to make life richer and happier. In my youth I steeled myself against them and thought them so much waste.

Endless forms most beautiful and most wonderful have been, and are being evolved