Who said "Kindness and honesty bring about true strength."?

This quote is attributed to Sophocles.

Kindness and honesty bring about true strength. - Sophocles

"Kindness and honesty bring about true strength."

Sophocles Kindness

Tragic Playwright Ancient Greece 496–406

"Wisdom brings suffering to those who possess it."

"Nobody likes the man who brings bad news."

"All that is and will be comes forth from necessity."

"To the man who is afraid everything rustles."

"A good man treats his wife with respect."

"Kindness always comes back around."

"The power of a smile can change everything."

"Kindness is weakness to some. Not to me."