The best Quotations

Do you know the writers of the following quotations?

Quotation Wicked thoughts and worthless efforts gradually set their mark on the face, especially the eyes. - writer
Quotation A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty. - writer
Quotation If people concentrated on the really important things in life, there'd be a shortage of fishing pole. - writer
Quotation What happened at Hiroshima was not only that a scientific breakthrough had occurred and that a great part of the population of a city had been burned to death, but that the problem of the relation of the triumphs of modern science to the human purposes of man had been explicitly defined. - writer
Quotation For glory gives herself only to those who have always dreamed of her. - writer
Quotation You can't appreciate home till you've left it, money till it's spent, your wife till she's joined a woman's club, nor Old Glory till you see it hanging on a broomstick on the shanty of a consul in a foreign town. - writer