"I have not married, so that I may devote myself entirely to my work."

"The scientific man does not aim at an immediate result. He does not expect that his advanced ideas will be readily grasped. His duty is to lay the foundation for those who are to come, and point the w…"

"The human being is a self-propelled automaton, and I am the biggest one in the world."

"We must all have some ideal which will govern our behaviour and satisfy us, but it is not material. It can be religion, art, science, whatever, it is only important that it acts as a non-material forc…"

"I have harnessed the cosmic rays and caused them to operate a motive device."