Ah! My Poor Brain Is Racked And

Human Life-everybody Lives It, But Only To A Few Is It Known.

How Can We Know Ourselves? Never By Reflection, But Only Through Action. Begin At Once To Do Your Duty And Immediately You Will Know What Is Inside You.

All Theory, Dear Friend, Is Gray, But The Golden Tree Of Life Springs Ever Green.

To Make Something You Have To Be Something.

The Errors Of The Observer Come From The Qualities Of The Human Mind.