[We] administered testosterone to men; instead of sharing money, they become selfish. Interestingly, high testosterone males are also more likely to use their own money to punish others for being selfish. — Paul J. Zak Copy Share Image
Trust is kind of this economic lubricant. When trust is high, morale is high. ... Higher trust environments produce individuals who are happier. — Paul J. Zak Copy Share Image
Like nature itself, modern economic life is driven by relentless competition and unbridled selfishness. Or is it? — Paul J. Zak Copy Share Image
Showing kindness causes oxytocin release in the recipient that motives him or her to be kind to others. You can start this virtuous cycle… — Paul J. Zak Copy Share Image
Oxytocin connects us to other people; oxytocin makes us feel what other people feel. And it's easy to cause people's brains to release oxytocin.… — Paul J. Zak Copy Share Image
Oxytocin infusion increases generosity in unilateral monetary transfers by 80 percent [and] increases donations to charity by 50 percent. — Paul J. Zak Copy Share Image
[We] administered testosterone to men; instead of sharing money, they become selfish. Interestingly, high testosterone males are also more likely to use their own… — Paul J. Zak Copy Share Image
![“[We] administered testosterone to men; instead of sharing money, they become selfish. Interestingly, high testosterone males are also more likely to use their own money to punish others for being selfish.” quote by Paul J. Zak](https://sms4smile.com/quotes/img-quotes/fac/paul-j-zak-55958_being-selfish_we-administered-testosterone-to-men-inst_3145957.jpg)
![“Oxytocin infusion increases generosity in unilateral monetary transfers by 80 percent [and] increases donations to charity by 50 percent.” quote by Paul J. Zak](https://sms4smile.com/quotes/img-quotes/1f4/paul-j-zak-55958_brain_oxytocin-infusion-increases-generosity-i_2887300.jpg)