to respond to kindness by doing something nice in return
отвечать добротой на доброту, делая что-то хорошее в ответ (otvechat' dobrotoy na dobrotu, delaya chto-to horoshee v otvet)
"He returned kindness with a thoughtful gift."
"Он ответил добротой на доброту, подарив продуманный подарок." (On otvetil dobrotoy na dobrotu, podariv produmannyy podarok)
to start making progress toward something
to form a partnership for a specific goal or project
to continue working even during difficult times
to study or get information about something by reading
to incorporate comments into the next version
to move about without a fixed purpose or direction