Thomson's Views On The Recent Age Of

What Wretched Doings Come From The Ardor Of Fame; The Love Of Truth Alone Would Never Make One Man Attack Another Bitterly.

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.

As Many More Individuals Of Each Species Are Born Than Can Possibly Survive; And As, Consequently, There Is A Frequently Recurring Struggle For Existence, It Follows That Any Being, If It Vary However Slightly In Any Manner Profitable To Itself, Under The Complex And Sometimes Varying Conditions Of Life, Will Have A Better Chance Of Surviving, And Thus Be Naturally Selected. From The Strong Principle Of Inheritance, Any Selected Variety Will Tend To Propagate Its New And Modified Form.

If It Could Be Demonstrated That Any Complex Organ Existed, Which Could Not Possibly Have Been Formed By Numerous, Successive, Slight Modifications, My Theory Would Absolutely Break Down. But I Can Find No Such Case.

I Suppose You Are Two Fathoms Deep In Mathematics, And If You Are, Then God Help You. For So Am I, Only With This Difference: I Stick Fast In The Mud At The Bottom, And There I Shall Remain.