truism
US /ˈtruː.ɪ.zəm/
UK /ˈtruː.ɪ.zəm/

1.
Binsenweisheit, Plattitüde
a statement that is obviously true and says nothing new or interesting
:
•
It's a truism that you can't please all the people all the time.
Es ist eine Binsenweisheit, dass man nicht alle Leute immer zufriedenstellen kann.
•
His speech was full of empty truisms.
Seine Rede war voller leerer Binsenweisheiten.