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

1.
gerçek, açık gerçek
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.
Her zaman herkesi memnun edemeyeceğiniz bir gerçek.
•
His speech was full of empty truisms.
Konuşması boş gerçeklerle doluydu.