Who said "I've learned that patience is the greatest weapon."?

This quote is attributed to Elektra.

I've learned that patience is the greatest weapon. - Elektra

"I've learned that patience is the greatest weapon."

Elektra Patience

"I am the hand that strikes in the darkness."

"Mercy is a luxury we cannot afford."

"I've learned that attachment is a weakness."

"The world is not black and white—it is red."

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."