One of the great commandments of science is: 'Mistrust arguments from authority.'

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 cure for all the ills and wrongs, the cares, the sorrows, and the crimes of humanity, all lie in the one word 'love'. It is the divine vitality that everywhere produces and restores life.

Science provides a much more satisfactory way to seek answers than does any religion.

People get tired of the same old sound. They want something new.

The trouble with the Labour Party is that they don't really believe in Socialism, but they cannot wholeheartedly approve of private enterprise either.

Must I tell the story of my life again?

From an Islamic point of view, women are as responsible as men to help people finding their way to God (S.W.T), and to guide society in the right path with all the power they have.

Many people feel small because they're small and the universe is big, but I feel big.

Even if you reject everything, it is always better to know what it is you are rejecting.

Google, Microsoft and Yahoo should be developing new technologies to bypass government sensors and barriers to the Internet; but instead, they agreed to guard the gates themselves.

Nothing is more inspiring than a person with seemingly mediocre talent rising against the odds to become a champion by way of hard work, effort, and perseverance toward their goals.