Who said "Death is the only certainty that makes life meaningful."?

This quote is attributed to Fernando Pessoa.

Death is the only certainty that makes life meaningful. - Fernando Pessoa

"Death is the only certainty that makes life meaningful."

Fernando Pessoa Death

Poet Portuguese 1888–1935

"I am not I; I am this one walking beside me whom I do not see."

"To be great, be whole; exclude nothing, exaggerate nothing that is not you."

"The worst prison people live in is the fear of what other people think."

"I love without knowing how, or what, or even if I exist."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."