Be Courageous. I Have Seen Many Depressions

I Have Never Seen The Slightest Scientific Proof Of The Religious Ideas Of Heaven And Hell, Of Future Life For Individuals, Or Of A Personal God.

Anything That Won't Sell, I Don't Want To Invent. Its Sale Is Proof Of Utility, And Utility Is Success.

Be Brave As Your Fathers Before You. Have Faith And Go Forward.

Before You Reject An Idea, Find At Least Five Good Things About It.

It Is Very Different To Make A Practical System And To Introduce It. A Few Experiments In The Laboratory Would Prove The Practicability Of System Long Before It Could Be Brought Into General Use. You Can Take A Pipe And Put A Little Coal In It, Close It Up, Heat It And Light The Gas That Comes Out Of The Stem, But That Is Not Introducing Gas Lighting. I'll Bet That If It Were Discovered To-morrow In New York That Gas Could Be Made Out Of Coal It Would Be At Least Five Years Before The System Would Be In General Use.