Who said "The past cannot be changed, but it can be understood."?

This quote is attributed to Tiberius.

The past cannot be changed, but it can be understood. - Tiberius

"The past cannot be changed, but it can be understood."

Tiberius History

Emperor Ancient Rome 42–37

"I wish the Roman people had a single neck, so I could cut it in one blow."

"It is bad to have too many friends and it is worse to have no friends."

"I would rather have one day of life than a thousand days of mere existence."

"The greatest evil is fear, for it destroys all that is good."

"I've seen a lot of things in my time."

"That's how we archaeologists tell time."

"We must learn from history or be doomed to repeat it."

"Every artifact tells a story."