Carl Friedrich Freiherr von Weizsäcker:
(Kiel, 28 June 1912 – Starnberg, 28 April 2007).
German physicist and philosopher. He was a son of Ernst von Weizsäcker, secretary of state for foreign affairs under Hitler, and a brother of German Federal President Richard von Weizsäcker.
You can only continue to live in this world as it is if you deeply believe that it will not remain as it is, but will become as it should be.
Freedom is a good that grows through use and diminishes through disuse.
How are you supposed to change the world when you know how difficult it is to change a person?
Research is the simple pleasure of finding out something you didn’t know before.
You should always speak in such a way that the result is courage to act and not despondency.