Who said "The written word outlives the spoken promise."?

This quote is attributed to Suetonius.

The written word outlives the spoken promise. - Suetonius

"The written word outlives the spoken promise."

Suetonius Literature

Historian Biographer Ancient Rome 69–122

"Life is not a spectacle or a feast; it is a predicament."

"The greatest power is often simple patience."

"Men willingly believe what they wish."

"Nothing is so unbelievable that the orators of Rome cannot turn it to their advantage."

"The pen is mightier than the sword."

"Literature opens the mind to new worlds"

"The interesting thing about books is that they're made of words."

"Literature captures the essence of what it means to be human."