As For A Future Life, Every Man

The Lower Animals, Like Man, Manifestly Feel Pleasure And Pain, Happiness And Misery. Happiness Is Never Better Exhibited Than By Young Animals, Such As Puppies, Kittens, Lambs, &c., When Playing Together, Like Our Own Children.

I Am Dying By Inches, From Not Having Any Body To Talk To About Insects.

Although Much Remains Obscure, And Will Long Remain Obscure, ... I Am Convinced That Natural Selection Has Been The Main But Not Exclusive Means Of Modification.

Freedom Of Thought Is Best Promoted By The Gradual Illumination Of Men’s Minds Which Follows From The Advance Of Science.

I Must Begin With A Good Body Of Facts And Not From A Principle (in Which I Always Suspect Some Fallacy) And Then As Much Deduction As You Please.