The best Quotations

The principle of all successful effort is to try to do not what is absolutely the best, but what is easily within our power, and suited for our temperament and condition.
- John Ruskin

Do you know the writers of the following quotations?

Quotation I have thought about it a great deal, and the more I think, the more certain I am that obedience is the gateway through which knowledge, yes, and love, too, enter the mind of the child. - writer
Quotation There is in every American, I think, something of the old Daniel Boone - who, when he could see the smoke from another chimney, felt himself too crowded and moved further out into the wilderness. - writer
Quotation Society is a masked ball, where every one hides his real character, and reveals it by hiding. - writer
Quotation The proof of gold is fire... - writer
Quotation The feminine mystique has succeeded in burying millions of American women alive. - writer
Quotation You only live once - but if you work it right, once is enough. - writer