I dont understand this sentence, can you translate it
Antike Philosophen erklären das Glück zum Ziel allen menschlichen Lebens und zerbrachen sich den Kopf über den Weg dorthin.

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Answer

This sentence is pretty tricky but its content is nice :D :
Philosophers from the ancient world declare that fortune/happiness is the aim of every human being and, themselves, they wracked their brains about how to get there.

So basically what it means is: Even a thousand of years ago people knew that happiness is the key to everything but nobody knew how to achieve happiness.

Evden çıkmadan dil öğrenme fırsatını kaçırmayın. Deneyimli dil eğitmenlerimizden oluşan seçkimize göz atın ve ilk dersinize şimdi kaydolun!