The best Quotations

Belief consists in accepting the affirmations of the soul; unbelief, in denying them.
- Ralph Waldo Emerson

Do you know the writers of the following quotations?

Quotation All my life, as down an abyss without a bottom. I have been pouring van loads of information into that vacancy of oblivion I call my mind. - writer
Quotation No good is ever done to society by the pictorial representation of its diseases. - writer
Quotation Doubt is the father of invention. - writer
Quotation Victory is sweetest when you've known defeat. - writer
Quotation Small debts are like small gun shot; they are rattling around us on all sides and one can scarcely escape being wounded. Large debts are like canons, they produce a loud noise, but are of little danger. - writer
Quotation A legend is an old man with a cane known for what he used to do. I'm still doing it. - writer