I will not attack your doctrines nor your creeds if they accord liberty to me. If they hold thought to be dangerous - if they aver that doubt is a crime then I attack them one and all because they enslave the minds of men.

Here in America we are descended in blood and in spirit from revolutionists and rebels - men and women who dare to dissent from accepted doctrine. As their heirs may we never confuse honest dissent with disloyal subversion.

I wish to preach not the doctrine of ignoble ease but the doctrine of the strenuous life.

In the early centuries of Islam the great schools of Islamic jurisprudence were built upon the above principles. Basic to all their legal systems they developed the doctrine that liberty is the fundamental basis of law.

I do believe states' rights was a sound doctrine that got hijacked by some unsavory customers for a while - like 150 years or so. I'm professionally obliged to believe that knowledge is better than ignorance but some kinds of forgetting are OK with me.

It is remarkable that jealousy of individual property in land often goes along with very exaggerated doctrines of tribal or national property in land.

The president led us into the Iraq war on the basis of unproven assertions without evidence he embraced a radical doctrine of pre-emptive war unprecedented in our history and he failed to build a true international coalition.

There are times in history where a particular doctrine becomes a symbol of a greater problem.

There is a set of religious or rather moral writings which teach that virtue is the certain road to happiness and vice to misery in this world. A very wholesome and comfortable doctrine and to which we have but one objection namely that it is not true.

Morality is not the doctrine of how we may make ourselves happy but how we may make ourselves worthy of happiness.