Lyrics:

I believe with the advent of acid we discovered new way to think and it had to do with piecing together new thoughts of mind. Why is it that people think it's so evil? What is it about it that there is scares people so deeply? Because they are afraid that there is more to reality than they have ever confronted.
That there are doors that they're afraid to go in and they don't want us to go in there either because if we go in, there we might learn something that they don't know. And that makes us a little out of their control.

He's losing his mind, and feels it going!

You're intoduced to LSD, an' it's not like taking some other drug for instance like marijuana or something, hm, well, you know, it's altogether a new thing, and you actually can have a religious experience, and, hm, and it can be even more important than reading the bible six times or becoming a pope or something like that, you know...