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

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.

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

Even logical positivists are capable of love.

No moral system can rest solely on authority.

I suddenly stopped and looked out at the sea and thought, my God, how beautiful this is ... for 26 years I had never really looked at it before.

It is possible to be a meta-physician without believing in a transcendent reality; for we shall see that many metaphysical utterances are due to the commission of logical errors, rather than to a conscious desire on the part of their authors to go beyond the limits of experience.