The only curse humanity bears

We're forever in awe of our great strides in evolution. Of being rational, having ideologies and deities, well turns out there's a catch. We're plagued with this hunger for everything life can give. Contentment is not a thing we're capable of attaining. Machiavelli pulls others one way, Mother Theresa the other. We're extremists, never wanting moderation. We fear mediocrity to a point where even those who have everything, crash and have midlife crises. We've unearthed that the earth is round and we can make computers, but the scientists are never sated, they classify to a point where it's inane. I shit you not, I was in class and not only did the lecturer classify plants according to their taxonomy, he went on to speak of the different ways to classify the flowers of plants. Why were there different ways? Because science is born out of the gnawing need by some select humanity to comprehend everything that exists to it's fullest. An employee stole 600 million from a government ministry. It puzzles me to this day. In my country, the very best house costs 7 million. To steal 600 million from a country where the government tries it's very best even building houses for the destitute, a country plunged into further poverty by the closure of one of it's major mines.. 600 million and not a single sleepless night about the humans who will go without because of your actions? We are forever longing for more. We want to be younger, write thousands of books about how to be happy, things a lion nor sloth probably never feel. And yet we pride ourselves in being the most intelligent life forms. Why, so we can be plagued by the questions we cant answer and the contentment we can never attain?