“We are star stuff which has taken its destiny into its own hands.”

The Earth is a very small stage in a vast cosmic arena.

Except in pure mathematics, nothing is known for certain (although much is certainly false).

Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact.

One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.

I’ve always thought an agnostic is an atheist without the courage of his convictions.

Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.

What an astonishing thing a book is.

We all have a thirst for wonder. It’s a deeply human quality. Science and religion are both bound up with it.

To live in the hearts we leave behind is to live forever.

And you are made of a hundred trillion cells. We are, each of us, a multitude.

Understanding is a kind of ecstasy.

The absence of evidence is not evidence of absence.

The very act of understanding is a celebration of joining, merging, even if on a very modest scale, with the magnificence of the Cosmos.

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

We are all stardust.

Be grateful everyday for the brief but magnificent opportunity that life provides.

Everyone has their own destiny. Not everyone makes the choice to follow it. And I’m lucky I did.

No man or woman born, coward or brave, can shun his destiny.

I have no doubt that it is part of the destiny of the human race in it’s gradual improvement, to leave off eating animals.

Let a man accept his destiny, No pity and no tears.

To be black was to be the beneficiary of a great inheritance, a special destiny, glorious burdens that only we were strong enough to bear.

The enemy will try to poison you with doubt, poison you with fear, poison you with insecurity. That poison cannot keep you from your destiny.

Hardship often prepares an ordinary person for an extraordinary destiny.

You don’t find love, it finds you. It’s got a little bit to do with destiny, fate, and what’s written in the stars.