We Must Have Perseverance And Above All

Humanity Needs Practical Men, Who Get The Most Out Of Their Work, And, Without Forgetting The General Good, Safeguard Their Own Interests. But Humanity Also Needs Dreamers, For Whom The Disinterested Development Of An Enterprise Is So Captivating That It Becomes Impossible For Them To Devote Their Care To Their Own Material Profit.

I Have No Dress Except The One I Wear Every Day. If You Are Going To Be Kind Enough To Give Me One, Please Let It Be Practical And Dark So That I Can Put It On Afterwards To Go To The Laboratory.

You Cannot Hope To Build A Better World Without Improving The Individuals.

More And More, I Feel The Need For A House And A Garden.

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