Light May Be Shed On Man And

It Is Not The Most Intellectual Of The Species That Survives; It Is Not The Strongest That Survives; But The Species That Survives Is The One That Is Able Best To Adapt And Adjust To The Changing Environment In Which It Finds Itself.

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.

The Following Proposition Seems To Me In A High Degree Probable—namely, That Any Animal Whatever, Endowed With Well-marked Social Instincts, The Parental And Filial Affections Being Here Included, Would Inevitably Acquire A Moral Sense Or Conscience, As Soon As Its Intellectual Powers Had Become As Well, Or Nearly As Well Developed, As In Man. For, Firstly, The Social Instincts Lead An Animal To Take Pleasure In The Society Of Its Fellows, To Feel A Certain Amount Of Sympathy With Them, And To Perform Various Services For Them.

Ultimately A Highly Complex Sentiment, Having Its First Origin In The Social Instincts, Largely Guided By The Approbation Of Our Fellow-men, Ruled By Reason, Self-interest, And In Later Times By Deep Religious Feelings, Confirmed By Instruction And Habit, All Combined, Constitute Our Moral Sense Or Conscience.

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.