“Anyone who is capable of getting themselves made President should on no account be allowed to do the job.”

“Politics determines who has the power, not who has the truth.”

“Immer wieder behauptete Unwahrheiten werden nicht zu Wahrheiten, sondern, was schlimmer ist, zu Gewohnheiten.”

“Power is not revealed by striking hard or often, but by striking true.”

“As time and space are bent by gravity, so too is truth bent by power.”

“What a curious power words have.”

“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.”