Who said "Work is the visible form of invisible thought."?

This quote is attributed to Fernando Pessoa.

Work is the visible form of invisible thought. - Fernando Pessoa

"Work is the visible form of invisible thought."

Fernando Pessoa Work

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."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."