“Nothing in life is to be feared. It is only to be understood.”

“Certein bodies... become luminous when heated. Their luminosity disappears after some time, but the capacity of becoming luminous afresh through heat is restored to them by the action of a spark, a...”

“I was taught that the way of progress is neither swift nor easy.”

“Be less curious about people and more curious about ideas.”

“When radium was discovered, no one knew that it would prove useful in hospitals. The work was one of pure science. And this is a proof that scientific work must not be considered from the point of ...”

“Sometimes I had to spend a whole day mixing a boiling mass with a heavy iron rod nearly as large as myself. I would be broken with fatigue at the day's end. Other days, on the contrary, the work wo...”

“The only calibration that counts is how much heart people invest, how much they ignore their fears of being hurt or caught out or humiliated. And the only thing people regret is that they didn't li...”

“I wonder if fears ever really go away, or if they just lose their power over us.”

“Fear is all in the mind”

“It is better to be hated for what you are than to be loved for what you are not.”

“If I am going to be drownedif I am going to be drownedif I am going to be drowned, why, in the name of the seven mad gods who rule the sea, was I allowed to come thus far and contemplate sand and t...”

“I'm an Earth ecstatic, and my creed is simple: All life is sacred, life loves life, and we are capable of improving our behavior toward one another. As basic as that is, for me it's also tonic and ...”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”