Building A Better Mousetrap Merely Results In

I Have Deeply Regretted That I Did Not Proceed Far Enough At Least To Understand Something Of The Great Leading Principles Of Mathematics, For Men Thus Endowed Seem To Have An Extra Sense.

I Have Long Discovered That Geologists Never Read Each Other's Works, And That The Only Object In Writing A Book Is A Proof Of Earnestness.

[t]he Young And The Old Of Widely Different Races, Both With Man And Animals, Express The Same State Of Mind By The Same Movements.

Sympathy For The Lowest Animals Is One Of The Noblest Virtues With Which Man Is Endowed.

In The Survival Of Favoured Individuals And Races, During The Constantly-recurring Struggle For Existence, We See A Powerful And Ever-acting Form Of Selection.