Look before you leap. Pr. 50
Look before you, or you'll have to look behind you. Pr.
Look for squalls, but don't make them. Pr.
Look how the floor of heaven / Is thick inlaid with patines of bright gold; / There's not the smallest orb which thou behold'st / But in his motion like an angel sings, / Still quiring to the young-eyed cherubims. Mer. of Ven., v. 1.
Look how we can, or sad or merrily, / Interpretation will misquote our looks. 1 Hen. IV., v. 2.
Look in the glass when you with anger glow, / 55 And you'll confess you scarce yourself would know. Ovid.
Look in thy heart and write. Sir P. Sidney.
Look not a gift horse in the mouth. Pr.
Look not mournfully into the past—it comes not back again; wisely improve the present—it is thine; go forth to meet the shadowy future without fear and with a manly heart. Longfellow.
Look not on pleasures as they come, but go. / Defer not the least virtue; life's poor span / Make not an ell by trifling in thy woe. / If thou do ill, the joy fades, not the pains; / If well, the pain doth fade, the joy remains. George Herbert.