This quote humorously expresses gratitude that men do not possess the ability to fly, as it implies that if they could, they would cause destruction or havoc not only on the earth but also in the sky.
This quote links the concept of genius to having an abundance of life and good health. It implies that vibrant health and vitality contribute to the emergence of genius or exceptional abilities. It suggests that physical well-being can play a significant role in fostering creativity and exceptional achievements.