My Main Purpose In Life Is To

Religion Is All Bunk.

There Is No Substitute For Hard Work.

The Three Things That Are Most Essential To Achievement Are Common Sense, Hard Work And Stick-to-it-iv-ness.

I've Never Made A Mistake. I've Only Learned From Experience.

To Monsieur Eiffel The Engineer, The Brave Builder Of So Gigantic And Original A Specimen Of Modern Engineering From One Who Has The Greatest Respect And Admiration For All Engineers Including The Great Engineer The Bon Dieu.