He declined also to allow his thoughts to dwell upon his own position, which was invidious and threatening enough in all conscience for a man setting out to be the buckler and shield of a girl in Sisily's plight.

He put these obtrusive contingencies out of his mind.
Time enough for those bitter reflections afterwards.

The great thing was to find Sisily first, before shaping further action.

So he reasoned, with the single purpose of a man mastered by love, and the desperate instinct of a reckless temperament which gambled with life, never looking beyond the next throw.
He retained sufficient caution to refrain from going to his father's house in Richmond when he reached London.

His father's parting words lingered unpleasantly in his mind to serve as a warning against the folly of that course.