It is not necessary for eagles to be crows.
Sitting Bull

Consumption is the sole end and purpose of all production; and the interest of the producer ought to be attended to, only so far as it may be necessary for promoting that of the consumer.
Adam Smith

Poor David Hume is dying fast, but with more real cheerfulness and good humor and with more real resignation to the necessary course of things, than any whining Christian ever dyed with pretended resignation to the will of God.
Adam Smith

Each man must have his I; it is more necessary to him than bread; and if he does not find scope for it within the existing institutions he will be likely to make trouble.
Charles Horton Cooley

Prudence and compromise are necessary means, but every man should have an impudent end which he will not compromise.
Charles Horton Cooley

Be able to live alone, even if you don't want to and think you will never find it necessary.
Marilyn vos Savant

Where force is necessary, there it must be applied boldly, decisively and completely. But one must know the limitations of force; one must know when to blend force with a maneuver, a blow with an agreement.
Leon Trotsky

As soon as laws are necessary for men, they are no longer fit for freedom.
Pythagoras

It is humiliating to remain with our hands folded while others write history. It matters little who wins. To make a people great it is necessary to send them to battle even if you have to kick them in the pants. That is what I shall do.
Benito Mussolini

Politics is perhaps the only profession for which no preparation is thought necessary.
Robert Louis Stevenson

The happiness of one's own heart alone cannot satisfy the soul; one must try to include, as necessary to one's own happiness, the happiness of others.
Paramahansa Yogananda

War may sometimes be a necessary evil. But no matter how necessary, it is always an evil, never a good. We will not learn how to live together in peace by killing each other's children.
Jimmy Carter

It's not necessary to fear the prospect of failure but to be determined not to fail.
Jimmy Carter

It is necessary for me to establish a winner image. Therefore, I have to beat somebody.
Richard M. Nixon

If an educational act is to be efficacious, it will be only that one which tends to help toward the complete unfolding of life. To be thus helpful it is necessary rigorously to avoid the arrest of spontaneous movements and the imposition of arbitrary tasks.
Maria Montessori

That a man be willing, when others are so too, as far forth as for peace and defense of himself he shall think it necessary, to lay down this right to all things; and be contented with so much liberty against other men, as he would allow other men against himself.
Thomas Hobbes

It is necessary to make virtue fashionable.
Jose Marti

English is necessary as at present original works of science are in English. I believe that in two decades times original works of science will start coming out in our languages. Then we can move over like the Japanese.
Abdul Kalam

Man needs his difficulties because they are necessary to enjoy success.
Abdul Kalam

Always be a little kinder than necessary.
James M. Barrie