After meeting ninety-nine white horses and a brown one for the hundredth, the first person with whom you shake hands will be your future mate.
Newport, R. I.

After meeting ninety-nine white horses and a brown one for the hundredth, the first person with whom you shake hands will be your future mate.
Source: Current Superstitions (1896), entry 203.
Fanny D. Bergen, editor.
Modern normalized navigation; the historical attribution above remains unchanged.