no es lo único que importa

is not the only thing that matters

→ no
phrase Rare #46,717
is not the only thing that matters Used to say that something is important but is not the sole factor or consideration. The subject before “es” can change depending on the sentence.
SP: La velocidad no es lo único que importa.
EN: Speed is not the only thing that matters.

El tamaño no es lo único que importa.

Size isn’t the only thing that matters.

El amor no es lo único que importa.

Love isn't the only thing that matters.

El dinero no es lo único que importa.

Money isn't the only thing that matters.

Ganar no es lo único que importa.

Winning isn't the only thing that matters.