In relativity, movement is continuous, causally determinate and well defined, while in quantum mechanics it is discontinuous, not causally determinate and not well defined.
David Bohm

In the 21st century, I believe the mission of the United Nations will be defined by a new, more profound awareness of the sanctity and dignity of every human life, regardless of race or religion.
Kofi Annan

In the animal kingdom, the rule is, eat or be eaten; in the human kingdom, define or be defined.
Thomas Szasz

In the present epoch of struggle between two worlds the two opposing and antagonistic trends penetrating the foundations of nearly all branches of biology are particularly sharply defined.
Trofim Lysenko

Intercessory prayer might be defined as loving our neighbour on our knees.
Charles Bent

Is it in the best interest of baseball to sell beer in the ninth inning? Probably not. The rule has got to be more clearly defined. And then some process should be set up where the judge is not also the appeals judge.
George Steinbrenner

It sounds really over the top to say you're responsible for the city of New York, but I do feel responsibility to the city of New York, to this country, to people everywhere. So many people were affected by the events of September 11, and I feel this is one of the ways that that event will be understood and defined.
Michael Arad

It starts this way: The worth of a job is not defined by what it allows you to do when you're not working.
Marvin Olasky

It was a good place for getting lost in, a city no one ever knew, a city explored from the neutral heart outward, until after many years, it defined itself into a jumble of clearings separated by stretches of the unknown, through which the narrowest of paths had been cut.
V. S. Naipaul

It was Public Art, defined as art that is purchased by experts who are not spending their own personal money.
Dave Barry

Jazz is not something that can be defined through blunt instruments. It is much more poetic than that.
Pat Metheny

Liberalism can only be defined negatively. It is a mere critique, not a living idea.
Francis Parker Yockey

Man is defined as a human being and a woman as a female - whenever she behaves as a human being she is said to imitate the male.
Simone de Beauvoir

Mark Twain cannot be defined.
Hal Holbrook

Marriage and the creation of families has been an integral part of our society since its creation; it should not be defined without the kind of involvement by the people which a constitutional process would require.
Robert Foster Bennett

Marriage as an institution developed from rape as a practice. Rape, originally defined as abduction, became marriage by capture. Marriage meant the taking was to extend in time, to be not only use of but possession of, or ownership.
Andrea Dworkin

Marriage has been defined by every legislature that has ever sat in the United States from every State, now 50 States, the same way, but now we have unelected judges altering and changing that fundamental institution.
Jeff Sessions

Mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true.
Bertrand Russell

Men have defined the parameters of every subject. All feminist arguments, however radical in intent or consequence, are with or against assertions or premises implicit in the male system, which is made credible or authentic by the power of men to name.
Andrea Dworkin

Modernism is typically defined as the condition that begins when people realize God is truly dead, and we are therefore on our own.
Phillip E. Johnson