In our time, we have sifted the sands of Mars, we have established a presence there, we have fulfilled a century of dreams!

Somewhere, something incredible is waiting to be known.

It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.

The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.

Imagination will often carry us to worlds that never were. But without it we go nowhere.

I don't want to believe. I want to know.

The absence of evidence is not the evidence of absence.

The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.

For small creatures such as we the vastness is bearable only through love.

You have to know the past to understand the present.

The true republic: men, their rights and nothing more: women, their rights and nothing less.

Fashion is a distraction!

Birds do not attend flight schools

The crash of 2008 was driven in no small part by unfair practices in the mortgage industry which led to many consumers being trapped in loans they didn't understand and couldn't afford.

We under no circumstances know the appreciate of your parent till we develop into dad and mom ourselves.

Inspiration is a farce that poets have invented to give themselves importance.

Become more watchful and anger will be less and greed will be less and jealousy will be less.

Die in obeying commands like a soldier, and go to Nirvana, but no cowardice.

Discontinue deciding what anyone else should or shouldn't be doing.

I've never been a conceited person or cocky, never felt boastful, but I always had a sense of self-worth; I always had a real sense of myself.