Black holes ain’t as black as they are painted. They are not the eternal prisons they were once thought. Things can get out of a black hole both on the outside and possibly to another universe. So if you feel you are in a black hole, don’t give up—there’s a way out
Life would be tragic if it weren’t funny
One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives you meaning and purpose and life is empty without it. Three, if you are lucky enough to find love, remember it is there and don’t throw it away
Without imperfection, you or I would not exist
Most of the threats we face come from the progress we’ve made in science and technology. We are not going to stop making progress, or reverse it, so we must recognize the dangers and control them. I’m an optimist, and I believe we can
However difficult life may seem, there is always something you can do, and succeed at. It matters that you don’t just give up
My expectations were reduced to zero when I was 21. Everything since then has been a bonus
We should seek the greatest value of our action
The human failing I would most like to correct is aggression. It may have had survival advantage in caveman days, to get more food, territory or a partner with whom to reproduce, but now it threatens to destroy us all
Humanity’s deepest desire for knowledge is justification enough for our continuing quest. And our goal is nothing less than a complete description of the universe we live in
