głębiej Englisch:

The soul of man is larger than the sky and deeper than the ocean.

As cultural exchange continued between the two countries, their mutual understanding became even deeper.

It runs deeper than that.

However, it captivated me and I would stare often at it, as though there was a deeper message buried within.

And deep down I bet most of us know it, too.

He pretended not to care, but deep down he loved her.