the more ... the more (colloquial)
Correlative comparative
The more you practice, the more you improve.
The more I think about it, the more doubts I have.
—Is it worth making an effort? —Yes, the more you try, the more you gain.
The more I think about it, the more doubts I have.
—Is it worth making an effort? —Yes, the more you try, the more you gain.