Stephen Hawking — "The universe is not only stranger than we imagine, it is stranger than we can im…"

"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."

"We are all connected to the universe, and the universe is connected to us."

"The universe is full of wonders, and we are lucky to be a part of it."

"The universe is a cruel, uncaring void. The key to being happy isn't to search for meaning. It's to just keep yourself busy with unimportant nonsense, and eventually, you'll be dead."

"The universe is a great place to be, and I'm glad to be a part of it. But it's also a very dangerous place, and we need to be careful."