Nothing that requires effort comes without effort.

To learn the same thing over and over and know it for the first time

“We shall not cease from exploration

And the end of all our exploring

Will be to arrive where we started

And know the place for the first time."

T.S. Eliot

Source: https://www.goodreads.com/quotes/644987-we-shall-not-cease-from-exploration-and-the-end-of