Who said "Kindness costs nothing but yields everything."?

This quote is attributed to Martial.

Kindness costs nothing but yields everything. - Martial

"Kindness costs nothing but yields everything."

Martial Kindness

Poet Ancient Rome 40–103

"A man is not where he lives, but where he loves."

"Life is not measured by the number of breaths you take, but by the moments that take your breath away."

"Do not seek to be admired by everyone; seek to be respected by those who matter."

"Happiness is the highest good."

"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."