Who said "The strength of character is shown in adversity."?

This quote is attributed to Mary Wollstonecraft Shelley.

The strength of character is shown in adversity. - Mary Wollstonecraft Shelley

"The strength of character is shown in adversity."

Mary Wollstonecraft Shelley Strength

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."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."