"The greatest happiness in life is the solid faith that you are loved."

Translation: Hạnh phúc lớn nhất trong cuộc sống là niềm tin vững chắc rằng bạn được yêu.

[ruminfamson]

The greatest happiness in my life is to see Duolingo Vietnam is as least consistency for once.

[MinhManTRU]

Can we also say cuoc Doi?

[yvette660246]

To me, rằng is not absolutely not necessary, my sentence is good