Neil deGrasse Tyson

Dreams do not germinate by themselves; they need the fertile soil of action.

The knowledge that the atoms that comprise life on Earth, the atoms that make up the human body, are traceable to the crucibles that cooked light elements into heavy elements in their stellar cores seems to me to be a kind of scientific beauty.

Merely reminding yourself that the universe exists can change your perspective.

We are stardust brought to life.

Science is a philosophy that is obligated to be humble.

The problem in society is not kids not knowing science. The problem is adults not knowing science.

If your ego starts out, 'I am important, I am big, I am special,' you're in for some disappointments when you look around at what actually exists in the cosmos.

The universe seems to be designed so that you can never know everything about it.

Exploration is the engine that drives innovation. Innovation is the source of economic growth.

I was born on the same day that Neil Armstrong walked on the moon.

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

We yearn to see, to know, to understand.

In every ancient culture, the sky was considered the abode of the gods.

Black holes are where God divided by zero.

The supernova is the cosmic explosion of a dying star.

Asteroids are the dark matter of the solar system.

The Moon is a harsh mistress.

Galaxies are the graveyards of stars.

Dark energy is the invisible hand that accelerates the universe's expansion.

Exoplanets remind us that our solar system is not alone.