Stephen Hawking has died at 76 - here are some of the most remarkable and memorable things he ever said

On coping with his disability:

On his life outlook:

On science and religion:

On the place of humans in the cosmos:

On his diagnosis with ALS:

On perfection and making mistakes:

On the purpose of intelligence:

On what Albert Einstein said about black holes:

On the future of humanity:

On not giving up:

On the perils of scientific discovery:

On intelligence quotients (IQ):

On death:

On heaven and an afterlife:

Remembering Stephen Hawking:

These 15 photos show how Stephen Hawking defied his disability and lived an incredible life Stephen Hawking died on a day that is cosmically connected to Albert Einstein and Pi Stephen Hawking was only expected to live a few years after being diagnosed with ALS at age 21 — here's what the disease is The man who helped Stephen Hawking achieve his lifelong dream of experiencing zero gravity remembers what it was like to watch the acclaimed physicist break free of his wheelchair Stephen Hawking was rumored to run over the toes of people he didn't like with his wheelchair Here's what Eddie Redmayne, who played Stephen Hawking in 'The Theory of Everything,' said about his death Stephen Hawking had a 'sense of humor as vast as the universe': unique tributes flood in for esteemed scientist