We might call ourselves human, but we're still just animals
Nature abhors a hero. For one thing, he violates the law of conservation of energy. For another, how can it be the survival of the fittest when the fittest keeps putting himself in situations where he is most likely to be creamed.
If fish food was brain food....you need to eat whale food.
There are more things in Heaven and in Earth than are dreamt of in your philosophy.