“Quiet people have the loudest minds.”

“If you believe in science like I do, you believe that there are certain laws that are always obeyed.”

“Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.”

“However difficult life may seem, there is always something you can do and succeed at.”

“I believe alien life is quite common in the universe, although intelligent life is less so. Some say it has yet to appear on planet Earth.”

“I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.”

“I believe there are no questions that science can't answer about a physical universe.”

“People who boast about their IQ are losers.”

“Many people find the universe confusing, it's not.”

“I am just a child who has never grown up. I still keep asking these 'how' and 'why' questions. Occasionally, I find an answer.”

“Science can lift people out of poverty and cure disease. That, in turn, will reduce civil unrest.”

“Work gives you meaning and purpose, and life is empty without it.”

“Life would be tragic if it weren't funny.”

“Work gives you meaning and purpose, and life is empty without it.”

“In my opinion, there is no aspect of reality beyond the reach of the human mind.”

“If time travel is possible where are the tourists from the future.”

“Intelligence is the ability to adapt to change.”

“When one's expectations are reduced to zero, one really appreciates everything one does have.”

“There is no unique picture of reality.”

Stephen Hawking