Nowadays nobody bothers, and it is considered in slightly bad taste to even raise the question of God's existence. Matters of religion are like matters of sexual preference: they are not discussed in public, and even the abstract questions are discussed only by bores.

We often attribute 'understanding' and other cognitive predicates by metaphor and analogy to cars, adding machines, and other artifacts, but nothing is proved by such attributions.

The general nature of the speech act fallacy can be stated as follows, using "good" as our example. Calling something good is characteristically praising or commending or recommending it, etc. But it is a fallacy to infer from this that the meaning of "good" is explained by saying it is used to perform the act of commendation.

We do not live in several different, or even two different, worlds, a mental world and a physical world, a scientific world and a world of common sense. Rather, there is just one world; it is the world we all live in, and we need to account for how we exist as part of it.

In many cases it is a matter for decision and not a simple matter of fact whether x understands y; and so on.

Well, what does "good" mean anyway? As Wittgenstein suggested, "good," like "game," has a family of meanings. Prominent among them is this one: "meets the criteria or standards of assessment or evaluation."

Berkeley had a liberal element in the student body who tended to be quite active. I think that's in general a feature of intellectually active places.