Who said "I was often sad, often alone, but I had my science."?

This quote is attributed to Marie Curie.

I was often sad, often alone, but I had my science. - Marie Curie

"I was often sad, often alone, but I had my science."

Marie Curie Solitude

Physicist and Chemist Polish-French 1867–1934

"Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less."

"Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves."

"Be less curious about people and more curious about ideas."

"A scientific discovery is a private event, and that privacy is a fact about the nature of scientific discovery."

"Sometimes being the best means being the loneliest."

"Solitude gives us time to reflect on what matters"

"I'm not good with people, never have been."

"I feel like I'm disappearing."