It Is Impossible To Concieve

Sympathy Will Have Been Increased Through Natural Selection

Nothing Can Be More Improving To A Young Naturalist, Than A Journey In A Distant Country.

Nothing Is Easier Than To Admit In Words The Truth Of The Universal Struggle For Life, Or More Difficult--at Least I Have Found It So--than Constantly To Bear This Conclusion In Mind.

I Always Feel As If My Books Came Half Out Of Lyell's Brain... & Therefore That When Seeing A Thing Never Seen By Lyell, One Yet Saw It Partially Through His Eyes.

It Is Not The Biggest, The Brightest Or The Best That Will Survive, But Those Who Adapt The Quickest.