A good wind? Ah, he only who knoweth whither he saileth, knoweth what wind is good, and a fair wind for him.[Einen guten Wind? Ach, nur wer weiss, wohin er fährt, weiss auch, welcher Wind gut und sein Fahrwind ist.]
Source:(Modern Library, ed. 1917), Part IV, Chapter 69. The Shadow, Section 2, Page 306