The credit of advancing science has always been due to individuals and never to the age.

Age does not make us childish, as some say; it finds us true children.

Science and art belong to the whole world, and before them vanish the barriers of nationality. [Ger., Wissenschaft und Kunst gehoren der Welt an, und vor ihhen verschwinden die Schranken der Nationalitat.]

Science and art belong to the whole world, and before them vanish the barriers of nationality

Whoever, in middle age, attempts to realize the wishes and hopes of his early youth, invariably deceives himself. Each ten years of a man's life has its own fortunes, its own hopes, its own desires.

Science arose from poetry... when times change the two can meet again on a higher level as friends.