“Revolutions of government cannot be effected by the mere force of argument and reasoning.”

To be a philosophical Sceptic is the first and most essential step towards being a sound, believing Christian.

The truth springs from arguments amongst friends.

When men are most sure and arrogant they are commonly most mistaken, giving views to passion without that proper deliberation which alone can secure them from the grossest absurdities.

Any pride or haughtiness, is displeasing to us, merely because it shocks our own pride, and leads us by sympathy into comparison, which causes the disagreeable passion of humility.

How can we satisfy ourselves without going on in infinitum? And, after all, what satisfaction is there in that infinite progression?

What a peculiar privilege has this little agitation of the brain which we call ‘thought’

It is an absurdity to believe that the Deity has human passions, and one of the lowest of human passions, a restless appetite for applause

Tis not unreasonable for me to prefer the destruction of the whole world to the scratching of my finger.

The bigotry of theologians is a malady which seems almost incurable.

I weigh the one miracle against the other and according to the superiority which I discover, I pronounce my decision.

The science of man is the only solid foundation for the other sciences.

Carelessness and in-attention alone can afford us any remedy. For this reason I rely entirely upon them.

But the greatest part of mankind float between vice and virtue.

I never knew anyone, that examined and deliberated about nonsense, who did not believe it before the end of his enquiries.

Where am I, or what? From what causes do I derive my existence, and to what condition shall I return?

Reason is, and ought only to be the slave of the passions, and can never pretend to any other office than to serve and obey them.

You must force yourself to consider opposing arguments. Especially when they challenge your best loved ideas.

I never allow myself to have an opinion on anything that I don’t know the other side’s argument better than they do.

Equals argue – win or lose. Superiors just say it and win.

Let your words be of velvet and your arguments of the steel.

Of course poets have morals and manners of their own, and custom is no argument with them.

AIDS is an absolutely tragic disease. The argument about AIDS’ being some kind of divine retribution is crap.

When we argue for our limitations, we get to keep them.

Your feelings are valid but not every argument is.