The Greatest Disorder Of The Mind Is

Without Theory, Practice Is But Routine Born Of Habit. Theory Alone Can Bring Forth And Develop The Spirit Of Inventions.

Do Not Promote What You Can't Explain, Simplify, And Prove Early.

One Does Not Ask Of One Who Suffers: What Is Your Country And What Is Your Religion? One Merely Says: You Suffer, That Is Enough For Me.

I Give Them Experiments And They Respond With Speeches.

It Is Surmounting Difficulties That Makes Heroes.