Know from the bounteous heaven all riches flow; / And what man gives, the gods by man bestow. Pope.

Know how sublime a thing it is to suffer and be strong. Longfellow.

Know, Nature's children all divide her care; / The fur that warms a monarch warm'd a bear. Pope.

Know of a truth that only the time-shadows have perished or are perishable; that the real being of whatever was, and whatever is, and whatever will be, is even now and for ever. Carlyle.

Know that nothing can so foolish be / As 55 empty boldness. George Herbert.

Know that the loudest roar of the million is not fame; that the wind bag, are ye mad enough to mount it, will burst, or be shot through with arrows, and your bones too shall act as scarecrows. Carlyle.

Know then this truth (enough for man to know), / Virtue alone is happiness below. Pope.

Know then thyself; presume not God to scan; / The proper study of mankind is man. Pope.

Know thy thought—believe it—front heaven and earth with it, in whatsoever words nature and art have made readiest for thee. Carlyle.

Know thyself, for through thyself only thou canst know God. Ruskin.