The best Quotations

I believe that what so saddens the reformer is not his sympathy with his fellows in distress, but, though he be the holiest son of god, is his private ail. let this be righted, let the spring come to him, the morning rise over his couch, and he will forsake his generous companions without apology.
- Henry David Thoreau

Do you know the writers of the following quotations?

Quotation No rest is worth anything except the rest that is earned. - writer
Quotation There is no such thing as ''the Queen's English.'' The property has gone into the hands of a joint stock company and we own the bulk of the shares! - writer
Quotation What if everything is an illusion and nothing exists? In that case, I definitely overpaid for my carpet. - writer
Quotation Knowledge is the eye of desire and can become the pilot of the soul. - writer
Quotation We are obliged to regard many of our original minds as crazy at least until we have become as clever as they are. - writer
Quotation No excellent soul is exempt from a mixture of madness. - writer