"I have no doubt that I shall succeed in my experiments."

"Let me tell you the secret that has led me to my goal: my strength lies solely in my tenacity."

"One must have a certain amount of daring to embark on a scientific career."

"The more progress physical sciences make, the more they give us cause to believe that all phenomena are reducible to molecular forces."

"A bottle of wine contains more philosophy than all the books in the world."