translation.en: So the different tricks that Matthieu [Ricard] and I and others know about increasing the amount of positive emotion in your life are 15 to 20 percent tricks, getting more of it.
translation.zh: 所以马修和我还有其他人 所使用的让人们有更多积极情绪的方法 有15%到20%都是在遗传范围内让人们发掘潜质的小把戏