Who said "The greatest power is knowing when not to use your power."?

This quote is attributed to Arrow.

The greatest power is knowing when not to use your power. - Arrow

"The greatest power is knowing when not to use your power."

Arrow Wisdom

"My name is Oliver Queen. After five years in hell, I have come home with only one goal: to save my city."

"I'm not the man I was."

"You have failed this city."

"I'm a monster."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."