I Am Not The Least Afraid To

A Mathematician Is A Blind Man In A Dark Room Looking For A Black Cat Which Isn't There.

The Highest Possible Stage In Moral Culture Is When We Recognize That We Ought To Control Our Thoughts.

Only Picture To Yourself A Nice Soft Wife On A Sofa With Good Fire, & Books & Music.

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.

This Preservation Of Favourable Variations And The Destruction Of Injurious Variations, I Call Natural Selection, Or The Survival Of The Fittest. Variations Neither Useful Nor Injurious Would Not Be Affected By Natural Selection And Would Be Left A Fluctuating Element.