Blue and better blue.
"That is, there may be difference between things of the same kind and persons of the same station."—Kelly.
Blue's beauty, red's a taiken, green's grief, and yellow's forsaken.
Examples of the "Poetry of colour."
Blue is love true.
Bluid's thicker than water.
"'Weel, weel,' said Mr Jarvie, 'bluid's thicker than water; and it liesna in kith, kin, and ally, to see motes in ilk other's een if other een see them no.'"—Rob Roy.
Bode a robe and wear it, bode a pock and bear it.
According as our aspirations are high or low, so do we succeed or fail. "As you make your bed, so you must lie on it."