“Nature is unsentimental. Death is built in.”

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.

Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.

I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.

The universe seems neither benign nor hostile, merely indifferent.

I would suggest that science is, at least in my part, informed worship.

Extraordinary claims require extraordinary evidence.

Science is a way to not fool ourselves.

Writing is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.

Give me unexpected whether it is good or bad, I learn from it all. As you build or break me in the end, I will stand tall.

The Great Architect of the universe built it of good firm stuff.

Poetry is a counterfeit creation, and makes things that are not, as though they were.

Grow old with me. The best is yet to be. The last of life for which the first was made.

Love built on beauty, soon as beauty, dies.

Intellectual activity is a danger to the building of character.

You build on failure. You use it as a stepping stone. Close the door on the past. You don’t try to forget the mistakes, but you don’t dwell on it. You don’t let it have any of your energy, or any of your time, or any of your space.

We are built to be happy, strong and healthy. I fear not to live. We have everything to live up to our dreams. You have everything to achieve that, and in a very short period of time you can get all the tools to manifest who you want to be.