反省はしても、後悔はしないほうがいい。
その時にそれが良いと思ってやったのなら、
そもそも後悔なんてないはずなんだ。
You may reflect on it, but you shouldn't regret it.
If you did what you did because you thought it was the right thing to do at the time, then you shouldn't have any regrets in the first place.
