Every animal leaves traces of what it was man alon...

Man is unique not because he does science, and his is unique not because he does art, but because science and art equally are expressions of his marvelous plasticity of mind.

You will die but the carbon will not its career does not end with you. It will return to the soil, and there a plant may take it up again in time, sending it once more on a cycle of plant and animal life.

We are all afraid for our confidence, for the future, for the world. That is the nature of the human imagination. Yet every man, every civilization, has gone forward because of its engagement with what it has set itself to do.

What is the worst of woes that wait on age? What stamps the wrinkle deeper on the brow? To view each loved one blotted from life's page, And be alone on earth, as I am now.

The age in which we live, this non-stop distraction, is making it more impossible for the young generation to ever have the curiosity or discipline... because you need to be alone to find out anything.

Reason is a crutch for age, but youth is strong enough to walk alone.

I like to be alone so I can write. But focus can hurt you. I don't want to be some stress casualty in early middle age.