Optics, Developing In Us Through Study, Teach

We Must Not Be Content To Memorize The Beautiful Formulas Of Our Illustrious Predecessors. Let Us Go Out And Study Beautiful Nature.

With An Apple I Will Astonish Paris.

I Have To Keep Working, Not To Arrive At Finish, Which Arouses The Admiration Of Fools... I Must Seek Completion Only For The Pleasure Of Being Truer And More Knowing.

I Should Have Wished To Possess The Intellectual Equilibrium That Characterizes You And Permits You To Achieve Without Fail The Desired End... Chance Has Not Favoured Me With An Equal Self-assurance, It Is The Only Regret I Have About Things Of This Earth.

The Louvre Is A Good Book To Consult, But It Must Only Be An Intermediary. The Real And Immense Study That Must Be Taken Up Is The Manifold Picture Of Nature.