No Experiment Can Be More Interesting Than

I Am Already Sensible Of Decay In The Power Of Walking, And Find My Memory Not So Faithful As It Used To Be. This May Be Partly Owing To The Incessant Current Of New Matter Flowing Constantly Through It; But I Ascribe To Years Their Share In It Also.

Political Interest [can] Never Be Separated In The Long Run From Moral Right.

Give Up Money, Give Up Fame, Give Up Science, Give The Earth Itself And All It Contains Rather Than Do An Immoral Act. And Never Suppose That In Any Possible Situation, Or Under Any Circumstances, It Is Best For You To Do A Dishonorable Thing, However Slightly So It May Appear To You.

Peace, Commerce And Honest Friendship With All Nations; Entangling Alliances With None.

When I Contemplate The Immense Advances In Science And Discoveries In The Arts Which Have Been Made Within The Period Of My Life, I Look Forward With Confidence To Equal Advances By The Present Generation, And Have No Doubt They Will Consequently Be As Much Wiser Than We Have Been As We Than Our Fathers Were, And They Than The Burners Of Witches.