Bacterial Cell Wall

Famous quotes containing the words cell and/or wall:

“It is plain that there is no separate essence called courage, no cup or cell in the brain, no vessel in the heart containing drops or atoms that make or give this virtue; but it is the right or healthy state of every man, when he is free to do that which is constitutional to him to do.”
—Ralph Waldo Emerson (1803–1882)

“Something inspires the only cow of late
To make no more of a wall than an open gate,
And think no more of wall-builders than fools.”
—Robert Frost (1874–1963)