I tell my students to try early in life to find an unattainable objective.
We are the products of editing, rather than of authorship.
Not all living creatures die. An amoeba, for example, need never die; it need not even, like certain generals, fade away. It just divides and becomes two new amoebas.
The concept of war crimes is an American invention.
I have lived much of my life among molecules. They are good company.
The only use for an atomic bomb is to keep somebody else from using one. It can give us no protection - only the doubtful satisfaction of retaliation...