Who said "To be productive, one must first understand oneself."?

This quote is attributed to Mary Wollstonecraft Shelley.

To be productive, one must first understand oneself. - Mary Wollstonecraft Shelley

"To be productive, one must first understand oneself."

Mary Wollstonecraft Shelley Work

Novelist Poet English 1797–1851

"Nothing contributes so much to tranquilize the mind as a steady purpose."

"I am a writer, therefore I am not a respectable woman."

"The beginning is always today."

"No creature is fully employed whose passions are not engaged."

"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."