Who said "We are more likely to help when we've been helped first."?

This quote is attributed to Ariely, Dan.

We are more likely to help when we've been helped first. - Ariely, Dan

"We are more likely to help when we've been helped first."

Ariely, Dan Kindness

Behavioral Economist Israeli-American Born 1967 (age 59)

"The way to stop financial aids from being misused is to give people money in a way that is not susceptible to cheating."

"We are not rational creatures - we are irrational creatures who want to believe we are rational."

"The more expensive the placebo, the more effective it is."

"Self-control is like a muscle. The more you exercise it, the stronger it gets."

"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."