When The Views Entertained In This Volume

It Is A Truly Wonderful Fact - The Wonder Of Which We Are Apt To Overlook From Familiarity - That All Animals And All Plants Throughout All Time And Space Should Be Related To Each Other In Group Subordinate To Group.

I Would Give Absolutely Nothing For The Theory Of Natural Selection, If It Requires Miraculous Additions At Any One Stage Of Descent.

A Cell Is A Complex Structure, With Its Investing Membrane, Nucleus, And Nucleolus.

I Was A Young Man With Uninformed Ideas. I Threw Out Queries, Suggestions, Wondering All The Time Over Everything; And To My Astonishment The Ideas Took Like Wildfire. People Made A Religion Of Them.

We Must, However, Acknowledge, As It Seems To Me, That Man With All His Noble Qualities... Still Bears In His Bodily Frame The Indelible Stamp Of His Lowly Origin.