Manfred Eigen Professions : Chemist Born : May 9, 1927 Browse All Authors Top 6 quotes by Manfred Eigen A theory has only the alternative of being right or wrong. A model has a third possibility: it may be right, but irrelevant. Manfred Eigen technology math science One will only be free when one plays and one's society will become a piece of art". - Herbert Marcuse Manfred Eigen fun men art A theory has only the alternative of being wrong. A model has a third possibility - it might be right but irrelevant. Manfred Eigen Sometimes a scream is better than a thesis. Manfred Eigen than better thesis sometimes A theory can be proved by experiment; but no path leads from experiment to the birth of a theory. Manfred Eigen experiment birth theory path In theory, there is no difference between theory and practice. But, in practice, there is. Manfred Eigen between difference theory practice Similar Authors Auguste Laurent chemist August Wilhelm von Hofmann chemist August Kekule chemist Ascanio Sobrero chemist Antoine Lavoisier chemist Antoine Bechamp chemist All Authors