It Is Always Advisable To Perceive Clearly

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.

Describing Laughter: The Sound Is Produced By A Deep Inspiration Followed By Short, Interrupted, Spasmodic Contractions Of The Chest, And Especially The Diaphragm... The Mouth Is Open More Or Less Widely, With The Corners Drawn Much Backwards, As Well As A Little Upwards; And The Upper Lip Is Somewhat Raised.

That There Is Much Suffering In The World No One Disputes. Which Is More Likely, That Pain And Evil Are The Result Of An All-powerful And Good God, Or The Product Of Uncaring Natural Forces? The Presence Of Much Suffering Agrees Well With The View That All Organic Beings Have Been Developed Through Variation And Natural Selection.

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.

Nothing Before Had Ever Made Me Thoroughly Realise, Though I Had Read Various Scientific Books, That Science Consists In Grouping Facts So That General Laws Or Conclusions May Be Drawn From Them.