The best Quotations

Do you know the writers of the following quotations?

Quotation Your lost friends are not dead, but gone before, advanced a stage or two upon that road which you must travel in the steps they trod. - writer
Quotation Death, in itself, is nothing; but we fear, to be we know not what, we know not where - writer
Quotation You have your way. I have my way. As for the right way, the correct way, and the only way, it does not exist. - writer
Quotation The more you know the less you need to say. - writer
Quotation On a single winged word hath hung the destiny of nations. - writer
Quotation My unconscious knows more about the consciousness of the psychologist than his consciousness knows about my unconscious. - writer