It may seem a strange principle to enunciate as the very first requirement in a hospital that it should do the sick no harm.
Florence Nightingale

Reverence for life affords me my fundamental principle of morality.
Albert Schweitzer

I shall argue that strong men, conversely, know when to compromise and that all principles can be compromised to serve a greater principle.
Andrew Carnegie

Therefore I feel that the aforementioned guiding principle must be modified to read: If you desire peace, cultivate justice, but at the same time cultivate the fields to produce more bread; otherwise there will be no peace.
Norman Borlaug

A house must be built on solid foundations if it is to last. The same principle applies to man, otherwise he too will sink back into the soft ground and becomes swallowed up by the world of illusion.
Sai Baba

The one great principle of English law is to make business for itself.
Charles Dickens

I pray on the principle that wine knocks the cork out of a bottle. There is an inward fermentation, and there must be a vent.
Henry Ward Beecher

Community action is as valuable a principle on the international level as it has been domestically.
Barney Frank

Enable every woman who can work to take her place on the labour front, under the principle of equal pay for equal work.
Mao Tse-Tung

It is funny that men who are supposed to be scientific cannot get themselves to realise the basic principle of physics, that action and reaction are equal and opposite, that when you persecute people you always rouse them to be strong and stronger.
Gertrude Stein

The principle of the brotherhood of man is narcissistic... for the grounds for that love have always been the assumption that we ought to realize that we are the same the whole world over.
Germaine Greer

Always vote for principle, though you may vote alone, and you may cherish the sweetest reflection that your vote is never lost.
John Quincy Adams

The first principle is that you must not fool yourself and you are the easiest person to fool.
Richard P. Feynman

My guiding principle is this: Guilt is never to be doubted.
Franz Kafka

Circumstances give in reality to every political principle its distinguishing color and discriminating effect. The circumstances are what render every civil and political scheme beneficial or noxious to mankind.
Edmund Burke

Kings will be tyrants from policy, when subjects are rebels from principle.
Edmund Burke

The principle part of faith is patience.
George MacDonald

When a man says he approves of something in principle, it means he hasn't the slightest intention of carrying it out in practice.
Otto von Bismarck

When you say you agree to a thing in principle you mean that you have not the slightest intention of carrying it out in practice.
Otto von Bismarck

We are all born for love. It is the principle of existence, and its only end.
Benjamin Disraeli