Radium Is Not To Enrich Any One.

I Was Taught That The Way Of Progress Was Neither Swift Nor Easy.

Certein Bodies... Become Luminous When Heated. Their Luminosity Disappears After Some Time, But The Capacity Of Becoming Luminous Afresh Through Heat Is Restored To Them By The Action Of A Spark, And Also By The Action Of Radium.

Sometimes My Courage Fails Me And I Think I Ought To Stop Working, Live In The Country And Devote Myself To Gardening. But I Am Held By A Thousand Bonds, And I Don't Know When I Shall Be Able To Arrange Things Otherwise. Nor Do I Know Whether, Even By Writing Scientific Books, I Could Live Without The Laboratory.

Pierre Curie Voluntarily Exposed His Arm To The Action Of Radium For Several Hours. This Resulted In Damage Resembling A Burn That Developed Progressively And Required Several Months To Heal. Henri Becquerel Had By Accident A Similar Burn As A Result Of Carrying In His Vest Pocket A Glass Tube Containing Radium Salt. He Came To Tell Us Of This Evil Effect Of Radium, Exclaiming In A Manner At Once Delighted And Annoyed: "i Love It, But I Owe It A Grudge."

All My Life Through, The New Sights Of Nature Made Me Rejoice Like A Child.