When Writing About Transcendental Issues,

I Should Consider That I Know Nothing About Physics If I Were Able To Explain Only How Things Might Be, And Were Unable To Demonstrate That They Could Not Be Otherwise.

By 'god', I Understand, A Substance Which Is Infinite, Independent, Supremely Intelligent, Supremely Powerful, And Which Created Both Myself And Everything Else [...] That Exists. All These Attributes Are Such That, The More Carefully I Concentrate On Them, The Less Possible It Seems That They Could Have Originated From Me Alone. So, From What Has Been Said It Must Be Concluded That God Necessarily Exists.

Reason Is Nothing Without Imagination.

Common Sense Is The Most Fairly Distributed Thing In The World, For Each One Thinks He Is So Well-endowed With It That Even Those Who Are Hardest To Satisfy In All Other Matters Are Not In The Habit Of Desiring More Of It Than They Already Have.

So Far, I Have Been A Spectator In This Theater Which Is The World, But I Am Now About To Mount The Stage, And I Come Forward Masked.