"The important thing is not to stop questioning. Curiosity has its own reason for existence. One cannot help but be in awe when one contemplates the mysteries of eternity, of life, of the marvelous str…"

"The important thing is not to stop questioning. Curiosity has its own reason for existence."

"If you want to live a happy life, tie it to a goal, not to people or things."

"I am not only a pacifist but a militant pacifist. I am willing to fight for peace."

"The human mind has first to construct forms, independently, before we can find them in things."