Stephen Hawking

The human capacity to wonder is what drives scientific discovery.

Without education, we are in a horrible and deadly danger of taking educated people seriously.

The universe seems neither benign nor hostile, merely indifferent to the concerns of such puny creatures as we.

To understand the universe, we need to combine the theories of the very small and the very large.

I was very disappointed when I found out that the universe was not created for my benefit.

The role of science is to explain the world and make it predictable.

Life is a great adventure, and death is the final unknown.

We have to be careful not to let AI outsmart us.

The answer to the ultimate question of life, the universe, and everything is 42, but we still don't know the question.

My mind is the only part of my body that works well.

The cosmos is all that is or was or ever will be.

I am convinced that some political and social trends have made the political climate in Britain almost as intolerable to me as the physical climate here.

The disabled are not half as lonely as they are thought to be.

Science can give us the tools to solve our problems, but wisdom is needed to use them rightly.

The expansion of the universe is accelerating, which suggests dark energy.

Wormholes might allow time travel, but they are unstable.

The multiverse theory suggests infinite universes with different laws.

I don't fear death, but I'm in no hurry to die.

The fact that we live at the bottom of a deep gravity well, on the surface of a gas-covered planet going around a nuclear fireball 90 million miles away and think this is normal is obviously some form of delusion.

To be a great scientist, you need to keep an open mind.