Matthew Poole and continuators on Acts 20:6

6 And we sailed away from Philippi, after the days of unleavened bread, and came unto them to Troas in five days, where we abode seven days.

Where they embarked, and sailed on the River first, then on the Sea.

Tho St. Paul would not have the Gentile-Converts to be burdened with the Ceremonial Law, yet that he might not offend the Iews, for a while he complied with their Rites, Chap. 18.21. they being indeed dead, but not yet deadly; and therefore he stays his Journey all the time of the Passover-solemnity, instructing them in the mean while of the Nature and Use of such things.