Demonstration Is Also Something Necessary, Because A

What We Know Is Not Capable Of Being Otherwise; Of Things Capable Of Being Otherwise We Do Not Know, When They Have Passed Outsideour Observation, Whether They Exist Or Not. Therefore The Object Of Knowledge Is Of Necessity. Therefore It Is Eternal; For Things That Are Of Necessity In The Unqualified Sense Are All Eternal; And Things That Are Eternal Are Ungenerated And Imperishable.

And, Speaking Generally, Passion Seems Not To Be Amenable To Reason, But Only To Force.

Friendship Is A Thing Most Necessary To Life, Since Without Friends No One Would Choose To Live, Though Possessed Of All Other Advantages.

That Which Is Impossible And Probable Is Better Than That Which Is Possible And Improbable.

It Is No Easy Task To Be Good.