But if science may be said to be blind without philosophy, it is true also that philosophy is virtually empty without science.

No morality can be founded on authority, even if the authority were divine.

We say that a sentence is factually significant to any given person, if, and only if, he knows how to verify the proposition which it purports to express.

Even logical positivists are capable of love.

Why should you mind being wrong if someone can show you that you are?

I saw a Divine Being. I'm afraid I'm going to have to revise all my various books and opinions.

The ground for taking ignorance to be restrictive of freedom is that it causes people to make choices which they would not have made if they had seen what the realization of their choices involved.

It seems that I have spent my entire life trying to make life more rational and that it was all wasted effort.

No moral system can rest solely on authority.

It appears, then, that ethics, as a branch of knowledge, is nothing more than a department of psychologyand sociology.

While moral rules may be propounded by authority the fact that these were so propounded would not validate them.

Remember, aid cannot achieve the end of poverty. Only homegrown development base on the dynamism of individuals and firms in free markets can do that.

If you drink anymore, you're going to be positively flammable.

When a man has lost all happiness he's not alive. Call him a breathing corpse.

I don't want to boss anyone and I don't want to be bossed.

People who don't like cats haven't been around them. There's the old joke: dogs have masters, cats have staff.

I am not disposed to complain that I have planted and others have gathered the fruits.

We inhabit a language rather than a country.

I try to be a guide for people, to make their darkness bright and to make the pathway light, and never to condemn or control or criticize.

Let us not be too particular; it is better to have old secondhand diamonds than none at all.

there are many hours and minutes between now and tomorrowand in any one of them-even in a minute,the house falls