He Who Knows Nothing Is

...the Science Of Calculation Also Is Indispensable As Far As The Extraction Of The Square And Cube Roots: Algebra As Far As The Quadratic Equation And The Use Of Logarithms Are Often Of Value In Ordinary Cases: But All Beyond These Is But A Luxury; A Delicious Luxury Indeed; But Not Be In Indulged In By One Who Is To Have A Profession To Follow For His Subsistence.

The Earth Belongs To The Living. No Man Can, By Natural Right, Oblige The Lands He Occupied Or The Persons Who Succeed Him In That Occupation, To The Payment Of Debts Contracted By Him. For If He Could, He Might, During His Own Life, Eat Up The Use Of The Lands For Several Generations To Come, And Then The Lands Would Belong To The Dead, And Not To The Living. No Generation Can Contract Debts Greater Than May Be Paid During The Course Of Its Own Existence.

Health Is Worth More Than Learning.

The Last Hope Of Human Liberty In This World Rests On Us.

The Moral Sense Is As Much A Part Of Our Constitution As That Of Feeling, Seeing, Or Hearing.