Must Acknowledge, That To Act Properly Is

The Rules Of Navigation Never Navigated A Ship. The Rules Of Architecture Never Built A House.

In Every Case, We Ought To Act That Part Towards Another, Which We Would Judge To Be Right In Him To Act Toward Us, If We Were In His Circumstances And He In Ours; Or More Generally - What We Approve In Others, That We Ought To Practise In Like Circumstances, What We Condemn In Others We Ought Not To Do.

For The Perception Of The Beautiful We Have The Term "taste"--a Metaphor Taken From That Which Is Passive In The Body And Transferred To That Which Is Active In The Mind.

It Appears Evident, Therefore, That Those Actions Only Can Truly Be Called Virtuous, And Deserving Of Moral Approbation, Which The Agent Believed To Be Right, And To Which He Was Influenced, More Or Less, By That Belief.

It Is The Invaluable Merit Of The Great Basle Mathematician Leonard Euler, To Have Freed The Analytical Calculus From All Geometric Bounds, And Thus To Have Established Analysis As An Independent Science, Which From His Time On Has Maintained An Unchallenged Leadership In The Field Of Mathematics.