Kopfschmerzen sind nicht die Folge von Aspirinmangel.
If you don't know what to do, do nothing.
There can never be any real understanding. There are only useful and less useful misunderstandings.
Almost every successful person begins with two beliefs: the future can be better than the present, and I have the power to make it so.
Manchmal führt ein Rechenfehler zur richtigen Lösung.