The best opinion now is, that there are multitudinous forms which are not sufficiently differentiated to be distinctively either plant or animal, while, as respects ordinary plants and animals, the difficulty of laying down a definition has become far greater than ever before.
Asa Gray

The conventional definition of management is getting work done through people, but real management is developing people through work.
Agha Hasan Abedi

The deepest definition of youth is life as yet untouched by tragedy.
Alfred North Whitehead

The definition of a beautiful woman is one who loves me.
Sloan Wilson

The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
Andrew Wiles

The definition of a modern approach to war is the acknowledgement of individual lives lost.
Maya Lin

The definition of a Schwarzenegger Republican is a Bush Republican who says he's a Schwarzenegger Republican.
Warren Beatty

The definition of genius, really, should be that that person can do what the rest of us have to learn how to do.
James Lipton

The definition of the individual was: a multitude of one million divided by one million.
Arthur Koestler

The definition of winning has become distorted. If winning the rights to a property brings with it hundreds of millions of dollars in losses, what have you won? When faced with the prospect of heavy financial losses, we have consistently walked away and have done so again.
Dick Ebersol

The fancy that extraterrestrial life is by definition of a higher order than our own is one that soothes all children, and many writers.
Joan Didion

The folk music definition has changed in this fast music world and musical styles are blending really quickly.
Trey Anastasio

The historian is, by definition, absolutely incapable of observing the facts which he examines.
Marc Bloch

The moral and social aspiration proper to American life is, of course, the aspiration vaguely described by the word democratic; and the actual achievement of the American nation points towards an adequate and fruitful definition of the democratic ideal.
Herbert Croly

The much vaunted male logic isn't logical, because they display prejudices against half the human race that are considered prejudices according to any dictionary definition.
Eva Figes

The over-all point is that new technology will not necessarily replace old technology, but it will date it. By definition. Eventually, it will replace it. But it's like people who had black-and-white TVs when color came out. They eventually decided whether or not the new technology was worth the investment.
Steve Jobs

The past is our definition. We may strive, with good reason, to escape it, or to escape what is bad in it, but we will escape it only by adding something better to it.
Wendell Berry

The philistine provides the best definition of art. Anything that makes him rage is first class.
Louis Dudek

The proper words in the proper places are the true definition of style.
Jonathan Swift

The question of the family now divides our society so deeply that the opposing sides cannot even agree on a definition of the institution they are arguing about.
Christopher Lasch