Who said "The most powerful weapon is the human spirit."?

This quote is attributed to Horace.

The most powerful weapon is the human spirit. - Horace

"The most powerful weapon is the human spirit."

Horace Strength

Poet Ancient Rome 65–8

"Carpe diem, quam minimum credula postero."

"Seize the day, put no trust in the morrow."

"I have often regretted my speech, never my silence."

"Life gives nothing to mortals without hard work."

"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."