What is pin clover?

Famous quotes containing the words pin and/or clover:

    It is not, truly speaking, the labour that is divided; but the men: divided into mere segments of men—broken into small fragments and crumbs of life, so that all the little piece of intelligence that is left in a man is not enough to make a pin, or a nail, but exhausts itself in making the point of a pin or the head of a nail.
    John Ruskin (1819–1900)

    To make a prairie it takes a clover and one bee,—
    Emily Dickinson (1830–1886)