All Our Knowledge Begins With The Senses,

Prudence Approaches, Conscience Accuses.

Two Things Fill The Mind With Ever-increasing Wonder And Awe, The More Often And The More Intensely The Mind Of Thought Is Drawn To Them: The Starry Heavens Above Me And The Moral Law Within Me... Morality Is Not Properly The Doctrine Of How We May Make Ourselves Happy, But How We May Make Ourselves Worthy Of Happiness.

The Question Is Not So Much Whether There Is Life On Mars As Whether It Will Continue To Be Possible To Live On Earth

No State At War With Another State Should Engage In Hostilities Of Such A Kind As To Render Mutual Confidence Impossible When Peace Will Have Been Made.

All Trades, Arts, And Handiworks Have Gained By Division Of Labor... Where The Different Kinds Of Work Are Not Distinguished And Divided, Where Everyone Is A Jack-of-all-trades, There Manufactures Remain Still In The Greatest Barbarism.