The stream of the river separates into two streams after hitting the rock, but it will become one stream again if the stream is like our life, although if I love someone but we can not be together in this life, I can be together with him in my next life. (Sutoku-in)
瀬を早み岩にせかるる滝川のわれても末にあはむとぞ思ふ（崇徳院）