Nothing Is Necessitated Whose Opposite Is Possible.

But It Is The Knowledge Of Necessary And Eternal Truths Which Distinguishes Us From Mere Animals, And Gives Us Reason And The Sciences, Raising Us To Knowledge Of Ourselves And God. It Is This In Us Which We Call The Rational Soul Or Mind.

I Do Not Believe That A World Without Evil, Preferable In Order To Ours, Is Possible; Otherwise It Would Have Been Preferred. It Is Necessary To Believe That The Mixture Of Evil Has Produced The Greatest Possible Good: Otherwise The Evil Would Not Have Been Permitted. The Combination Of All The Tendencies To The Good Has Produced The Best; But As There Are Goods That Are Incompatible Together, This Combination And This Result Can Introduce The Destruction Of Some Good, And As A Result Some Evil.

The Most Perfect Society Is That Whose Purpose Is The Universal And Supreme Happiness.

There Are Also Two Kinds Of Truths: Truth Of Reasoning And Truths Of Fact.

Nothing Is More Important Than To See The Sources Of Invention Which Are, In My Opinion More Interesting Than The Inventions Themselves.