We Are Optimists, Until We Are Not.

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.

In The Distant Future I See Open Fields For Far More Important Researches. Psychology Will Be Based On A New Foundation, That Of The Necessary Acquirement Of Each Mental Power And Capacity By Gradation. Light Will Be Thrown On The Origin Of Man And His History.

The Willing Horse Is Always Overworked.

We Thus Learn That Man Is Descended From A Hairy Quadruped, Furnished With A Tail And Pointed Ears, Probably Arboreal In Its Habits, And An Inhabitant Of The Old World.

After My Return To England It Appeared To Me That By Following The Example Of Lyell In Geology, And By Collecting All Facts Which Bore In Any Way On The Variation Of Animals And Plants Under Domestication And Nature, Some Light Might Perhaps Be Thrown On The Whole Subject.