Bad Books Engender Bad Habits, But Bad

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.

Whenever Anyone Has Offended Me, I Try To Raise My Soul So High That The Offense Cannot Reach It.

Every Man Is Indeed Bound To Do What He Can To Promote The Good Of Others, And A Man Who Is Of No Use To Anyone Is Strictly Worthless.

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.

Illusory Joy Is Often Worth More Than Genuine Sorrow.