For Since It Is Impossible For A

In Symbols One Observes An Advantage In Discovery Which Is Greatest When They Express The Exact Nature Of A Thing Briefly And, As It Were, Picture It; Then Indeed The Labor Of Thought Is Wonderfully Diminished.

There Are Also Two Kinds Of Truths, Those Of Reasoning And Those Of Fact. Truths Of Reasoning Are Necessary And Their Opposite Is Impossible, And Those Of Fact Are Contingent And Their Opposite Is Possible. When A Truth Is Necessary Its Reason Can Be Found By Analysis, Resolving It Into More Simple Ideas And Truths Until We Reach Those Which Are Primitive.

Music Is A Hidden Arithmetic Exercise Of The Soul, Which Does Not Know That It Is Counting.

For Since It Is Impossible For A Created Monad To Have A Physical Influence On The Inner Nature Of Another, This Is The Only Way In Which One Can Be Dependent On Another.

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