He likes talking about himself and often talks about his experiences and thoughts.

He set out on a journey of soul-searching.

Since that's his own concern, we better not interfere.

He should stop his selfish behavior.

It's important to believe in yourself.

He practices the meditation of prajñāpāramitā every day.

He is learning about 'prajanaparamita', one of the teachings of Buddhism.

He is deeply studying the teachings of prajnaparamita.

His life was truly eventful.

I see, I understood that this is the truth.