"There are sadistic scientists who hurry to hunt down errors instead of establishing the truth."

"It was in the little shed that we passed the best and happiest years of our life."

"My mind is entirely absorbed by my studies, and I consider it a great privilege to be able to devote myself to them."

"A scientist must be a child. He must be curious. He must be eager to learn. He must be willing to make mistakes."

"The older one gets, the more one feels that the present moment must be enjoyed, comparable to a state of grace."