Stephen Hawking's theory on everything, in his words

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Stephen Hawking (Photo: Dave J Hogan/Getty Images)

(CNN) — Stephen Hawking was one of the most beloved scientists in this generation — not only for his intellect, but for his wit and humor.

He died at the age of 76, and left behind provocative as well as comical quotes.

Related: Stephen Hawking, renowned scientist, dies at 76

On the universe

"It would not be much of a universe if it wasn't home to the people you love."

On scientific discoveries

"I wouldn't compare it to sex, but it lasts longer." — at a science festival in 2011.

On persistence

"However difficult life may seem, there is always something you can do and succeed at. It matters that you don't just give up." — at an Oxford University Union speech in 2016.

On curiosity

"So remember, look at the stars and not at your feet." — at the Sydney Opera House in 2015.

On intelligence

"I would never claim this. People who boast about their IQ are losers." — in response to a 2017 question if he believed he was the most intelligent person in the world.

On space

"May you keep flying like superman in microgravity." — to NASA astronauts in 2014.

"I have always tried to overcome the limitations of my condition and lead as full a life as possible. I have traveled the world, from the Antarctic to zero gravity. Perhaps one day I will go into space." — to the New York Times in 2011.

"I have already completed a zero gravity flight which allowed me to float weightless, but my ultimate ambition is to fly into space." — to ITV in 2017.

On God

"God may exist, but science can explain the universe without the need for a creator." — in a 2010 CNN interview.

"The scientific account is complete. Theology is unnecessary." — in a 2010 CNN interview.

On women

"My [physician assistant] reminds me that although I have a PhD in physics, women should remain a mystery." — in his first Reddit AMA. (His PA is a woman, by the way.)

On his appearance

"Unfortunately, Eddie [Redmayne] did not inherit my good looks." — of the Oscar-winning actor who portrayed him in "The Theory of Everything."