If men were angels, no government would be necessary.
James Madison

What is government itself but the greatest of all reflections on human nature? If men were angels, no government would be necessary. If angels were to govern men, neither external nor internal controls on government would be necessary.
James Madison

Man's capacity for justice makes democracy possible, but man's inclination to injustice makes democracy necessary.
Reinhold Niebuhr

Thou shouldst not become presumptuous through much treasure and wealth; for in the end it is necessary for thee to leave all.
Zsa Zsa Gabor

All intelligent thoughts have already been thought; what is necessary is only to try to think them again.
Johann Wolfgang von Goethe

Certain defects are necessary for the existence of individuality.
Johann Wolfgang von Goethe

It may be necessary temporarily to accept a lesser evil, but one must never label a necessary evil as good.
Margaret Mead

Do you not see how necessary a world of pains and troubles is to school an intelligence and make it a soul?
John Keats

Man needs difficulties; they are necessary for health.
Carl Jung

One looks back with appreciation to the brilliant teachers, but with gratitude to those who touched our human feelings. The curriculum is so much necessary raw material, but warmth is the vital element for the growing plant and for the soul of the child.
Carl Jung

Obstacles are necessary for success because in selling, as in all careers of importance, victory comes only after many struggles and countless defeats.
Og Mandino

Don't be dismayed by good-byes. A farewell is necessary before you can meet again. And meeting again, after moments or lifetimes, is certain for those who are friends.
Richard Bach

There are no mistakes. The events we bring upon ourselves, no matter how unpleasant, are necessary in order to learn what we need to learn; whatever steps we take, they're necessary to reach the places we've chosen to go.
Richard Bach

There are necessary evils. Money is an important thing in terms of representing freedom in our world. And now I have a daughter to think about. It's really the first time I've thought about the future and what it could be.
Johnny Depp

A categorical imperative would be one which represented an action as objectively necessary in itself, without reference to any other purpose.
Immanuel Kant

It is not necessary that whilst I live I live happily; but it is necessary that so long as I live I should live honourably.
Immanuel Kant

For an occurrence to become an adventure, it is necessary and sufficient for one to recount it.
Jean-Paul Sartre

In order to exist just once in the world, it is necessary never again to exist.
Albert Camus

To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.
Saint Thomas Aquinas

Man cannot live without joy; therefore when he is deprived of true spiritual joys it is necessary that he become addicted to carnal pleasures.
Saint Thomas Aquinas