Progress Has Been Much More General Than

Light Will Be Thrown On The Origin Of Man And His History.

When The Sexes Differ In Beauty, In The Power Of Singing, Or In Producing What I Have Called Instrumental Music, It Is Almost Invariably The Male Which Excels The Female.

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.

Building A Better Mousetrap Merely Results In Smarter Mice.

On The Theory Of Natural Selection We Can Clearly Understand The Full Meaning Of That Old Canon In Natural History, “natura Non Facit Saltum.” This Canon, If We Look Only To The Present Inhabitants Of The World, Is Not Strictly Correct, But If We Include All Those Of Past Times, It Must By My Theory Be Strictly True.