Being Once Blind, His Request To Bianca

When age or chance has made me blind,
So that the path I cannot find,
And when my falls and stumblings are
More than the stones i' th' street by far,
Go thou afore, and I shall well
Follow thy perfumes by the smell;
Or be my guide, and I shall be
Led by some light that flows from thee.
Thus held or led by thee, I shall
In ways confus'd nor slip or fall.