Who said "Fear is often the guardian at the threshold of growth."?

This quote is attributed to Elizabeth Barrett Browning.

Fear is often the guardian at the threshold of growth. - Elizabeth Barrett Browning

"Fear is often the guardian at the threshold of growth."

Elizabeth Barrett Browning Fear

Poet English 1806–1861

"How do I love thee? Let me count the ways."

"All that evil requires to flourish is the inaction of good people."

"The human heart has hidden treasures in secret places."

"God answers sharp and sudden on some prayers, and thrusts the thing we have prayed for in our face."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."