Skepticism Is The Highest Duty And Blind

To Quarrel With The Uncertainty That Besets Us In Intellectual Affairs Would Be About As Reasonable As To Object To Live One's Life With Due Thought For The Morrow Because No Man Can Be Sure He Will Alive An Hour Hence.

That Mysterious Independent Variable Of Political Calculation, Public Opinion.

Freedom And Order Are Not Incompatible... Truth Is Strength... Free Discussion Is The Very Life Of Truth.

I Have Endeavoured To Show That No Absolute Structural Line Of Demarcation, Wider Than That Between The Animals Which Immediately Succeed Us In The Scale, Can Be Drawn Between The Animal World And Ourselves; And I May Add The Expression Of My Belief That The Attempt To Draw A Physical Distinction Is Equally Futile, And That Even The Highest Faculties Of Feeling And Of Intellect Begin To Germinate In Lower Forms Of Life.

Even In The Important Matter Of Cranial Capacity, Men Differ More Widely From One Another Than They Do From The Apes; While The Lowest Apes Differ As Much, In Proportion, From The Highest, As The Latter Does From Man.