Work is a necessary evil to be avoided.
I have several times made a poor choice by avoiding a necessary confrontation.
Mankind, the spirit of the earth, the synthesis of individuals and peoples, the paradoxical conciliation of the element with the whole, and of unity with multitude - all these are called Utopian, and yet they are biologically necessary.
If modesty and candor are necessary to an author in his judgment of his own works, no less are they in his reader.
Many scientists and economists also say putting a price on carbon through carbon taxes and/or cap-and-trade is necessary.
Even in the investigations into direct production of calcium peroxide in an alkali melt with highly compressed oxygen, it was found to be necessary to bring the high-pressure gas into contact with the suspension of lime in caustic alkali melt by agitation or some other means of mixing.
It isn't necessary to have relatives in Kansas City in order to be unhappy.
I favor the Civil Rights Act of 1964 and it must be enforced at gunpoint if necessary.
Collecting more taxes than is absolutely necessary is legalized robbery.
Thus it is necessary to commence from an inescapable duality: the finite is not the infinite.
For one cause or another, it has become necessary to impose restrictions upon the use of many commodities, including not a few of the necessities of life.
The United States was born with an imperialist impulse. There has been a long confrontation between Monroe and Bolivar... It is necessary that the Monroe Doctrine be broken.
Conscription if necessary, but not necessarily conscription.
Schizophrenia may be a necessary consequence of literacy.
A Conservative government is necessary. There is no credible alternative.
The conspiracies that I've researched and encountered, they seem to happen very ad hoc: they become conspiracies when it's necessary to have a conspiracy.
To copy others is necessary, but to copy oneself is pathetic.
It is not necessary for eagles to be crows.
Each man is good in His sight. It is not necessary for eagles to be crows.
Certain defects are necessary for the existence of individuality.