'Thanks' in the Bible

"If you love those who love you, what thanks do you deserve? Why, even sinners love those who love them.

If you do good to those who do good to you, what thanks do you deserve? Even sinners do that.

If you lend to those from whom you expect to get something back, what thanks do you deserve? Even sinners lend to sinners to get back what they lend.

Then he took a cup, gave thanks, and said, "Take this and share it among yourselves,

Then he took a loaf of bread, gave thanks, broke it in pieces, and handed it to them, saying, "This is my body, which is given for you. Keep on doing this in memory of me."