We must have patience and not lose heart, submitting to the will of God, and striving incessantly, as I have resolved to do, come what may. With God's help, I am determined to push onward, and by next month I trust to be at our appointed rendezvous. Watch Alva closely, and contrive to join me as arranged.

Writing in a letter to his brother, Louis of Nassau, as quoted in William the Silent (1902) by Frederic Harrison, p. 93