"Je savais tout"
To say "I knew" in French, you would say "Je savais."
"Everything" in French is "tout."
Tout is French for everything.
I like everything is 'j'aime tout' in French.
You say "Je le savais" in French.
Bra is an abbreviation of a French word, but I suppose you already knew that.
My everything in French is 'Mon tout' Try using Google translate in future. :)
if you knew everything then you would not be asking what to say.
Pour tout
You say tout ira bien.
(to have) lost everything = (avoir) tout perdu.
Tout va bien.