More Money, More Happiness | Satan's Sleight of Hand

Most philosophers and religious leaders throughout history have suggested that contentment is the secret to happiness. And yet, modern research also seems to suggest that $34k/year income is a threshold, and $75k/year is another income threshold for happiness. So which is it? Can we be content without X amount of dollars? Should we be content where we’re at and never pursue more money? What can we do with the money we have that will bring greatest joy?