He decided to continue the job.

He kept digging to explore the secrets of the underground.

He is doing his best to search for the truth.

He set out on a journey to quest for the truth.

He started digging a hole in the garden.

He loves digging for fossils.

He was digging a hole in the garden.

I found her secret diary.

She confided a secret to me.

He is my best friend.