"The universe is a place of endless possibilities, and we are just beginning to explore them."

"We are in danger of destroying ourselves by our greed and stupidity. We cannot remain looking inwards at ourselves on a small and increasingly polluted and overcrowded planet."

"The human race is just a chemical scum on a moderate-sized planet, orbiting a very average star in the outer suburb of one among a hundred billion galaxies. We are so insignificant that I can't believ…"

"My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all."

"We are all stardust, and we are all connected to the universe."