Original Hangeul (Immutable)

지금은 행동하지 않았던 지난날을 후회하는 것보다

행동하고 아픔을 줬던 그때를 후회하더라

Translation

Note: English translation. Other translations are possible.

Now more than regretting the days gone by when I did not act

having acted and given pain I find I regret that time