“You don't know it... but you can play dumb - right!?”

“Let's play double or nothing... you beat me... fair... now let's play again, let's see was that your lucky day or not!?”

“Like it or not... that's my story and I can't do that or that each action by itself is a limitation.”

“Post a picture of you or of somebody and look... the days have been counted.”

“Yeah, I remember that day... At that day I choose a book now is few years later and so far I never open it...”

“We need time so to can explain the stuff in easy way.”

“In 1966, NASA took over in space, and it has been a bureaucratic mess ever since.”

“Pets, like their owners, tend to expand a little over the Christmas period.”

“Our work is never over.”

“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.”