Teaching the layperson (divulgare) is not distorting (tergiversare) the subject, but educating the public; and it is our duty as scientists to educate without distorting the essence of the scientific knowledge attained by humanity. The future of our society depends upon this premise.

In the beginning, there was physics. “Physics” describes how matter, energy, space, and time behave and interact with one another. The interplay of these characters in our cosmic drama underlies all biological and chemical phenomena. Hence everything fundamental and familiar to us earthlings begins with, and rests upon, the laws of physics. When we apply these laws to astronomical settings, we deal with physics writ large, which we call astrophysics.

Every person has his secret; in reverie, unbeknown to others, he finds peace, freedom, sorrow and love.

The Apollo pictures of the whole Earth conveyed to multitudes something well known to astronomers: On the scale of the worlds – to say nothing of stars or galaxies – humans are inconsequential, a thin film of life on an obscure and solitary lump of rock and metal

You are a collection of almost identical molecules with a different collective label. But is that all? Is there nothing in here but molecules? Some people find this idea somehow demeaning to human dignity. For myself, I find it elevating that our universe permits the evolution of molecular machines as intricate and subtle as we.

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