“If the truth contradicts deeply held beliefs, that is too bad.”

“I always felt that a scientist owes the world only one thing, and that is the truth as he sees it.”

“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.”

“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.”

“You can't buy the love you want, you can't sell your love. Love is given by those who deserves it.”

“Facts are like cows. If you look them in the face long enough, they generally run away.”

“The truth is more important than the facts.”