He admonished his friend.

As for his future, it's unpredictable.

As the proverb 'better safe than sorry' suggests, I recommend getting vaccinated.

He took his failure as 'don't cry over spilt milk'.

There is a spork in my lunch box.

He said '一瞬先は闇', explaining that predicting the future is difficult.

This is the proof that proves my innocence.

He found proof to prove his innocence.

The police are gathering evidence to determine the culprit.

He sharpened the tip of his sword.